Photography Bay managed to grab the details of the new 50D before the page was taken down. I grabbed the photo and there is the EXIF data from it.

Aperture Value 8.0
Artist
Color Space sRGB
Components Configuration YCbCr
Compression JPEG (old-style)
Copyright
Create Date 2008:07:14 08:57:34
1 month, 11 days, 8 hours, 43 minutes, 57 seconds ago
Custom Rendered Normal
Date/Time Original 2008:07:14 08:57:34
1 month, 11 days, 8 hours, 43 minutes, 57 seconds ago
Exif Image Size 4,752 3,168
Exif Version 0221
Exposure Compensation -2/3
Exposure Mode Auto
Exposure Program Shutter speed priority AE
Exposure Time 1/8000
F Number 8.0
Flash Off
Flashpix Version 0100
Focal Length 600.0 mm
Focal Plane X Resolution 5,315.436242 pixels/inch
Focal Plane Y Resolution 5,306.532663 pixels/inch
GPS Version ID 2.2.0.0
ISO 1,600
Interoperability Index R98 - DCF basic file (sRGB)
Interoperability Version 0100
Make Canon
Metering Mode Multi-segment
Camera Model Name Canon EOS 50D
Modify Date 2008:07:14 08:57:34
1 month, 11 days, 8 hours, 43 minutes, 57 seconds ago
Orientation Horizontal (normal)
Resolution 72 pixels/inch
Scene Capture Type Standard
Shutter Speed Value 1/8192
Sub Sec Time 00
Sub Sec Time Digitized 00
Sub Sec Time Original 00
Thumbnail Length 14,046
User Comment
White Balance Auto
Y Cb Cr Positioning Co-sited
MakerNotes this group of metadata is encoded in 6,982 bytes (6.8k)
AEB Auto Cancel On
AEB Bracket Value 0
AEB Sequence 0,-,+
AF Area Heights 79 98 98 98 120 98 98 98 79
AF Area Widths 99 80 80 80 118 80 80 80 99
AF Area X Positions 0 -788 788 -1254 0 1254 -788 788 0
AF Area Y Positions 681 361 361 0 0 0 -361 -361 -681
AF Assist Beam Emits
AF Image Height 3,168
AF Image Width 4,752
AF Info Size 96
AF Microadjustment Disable; 0; 0; 0; 0
AF Mode Single-point AF
AF On AE Lock Button Switch Disable
AF Point Selection Method Multi-controller direct
AF Points In Focus 4
AF Points Selected 4
Add Original Decision Data Off
Auto Exposure Bracketing Off
Auto ISO 100
Auto Lighting Optimizer Unknown (3)
Auto Rotate Rotated by Software
Base ISO 1,600
Black Level 129 129 129
Black Mask Bottom Border 0
Black Mask Left Border 0
Black Mask Right Border 0
Black Mask Top Border 0
Bracket Mode Off
Bracket Shot Number 0
Bracket Value 0
Bulb Duration 0
Camera Type EOS High-end
Canon Custom Functions 2 0x070b 0
Canon Exposure Mode Shutter speed priority AE
Canon Firmware Version Firmware Version 2.6.1
Canon Flash Info 0 0 0 0
Canon Flash Mode Off
Canon Image Height 3,168
Canon Image Size Large
Canon Image Type Canon EOS 50D
Canon Image Width 4,752
Canon Model ID Unknown (0x80000261)
Canon 0x0019 1
Canon 0x0098 0 0 0 0
Canon 0x009a 0 4752 3168 0 0
Canon 0x00aa 12 463 1024 1024 860 0
Canon 0x4009 0 0 0
Canon 0x4010
Canon 0x4011 (60 bytes binary data)
Canon 0x4012
Canon 0x4013 20 0 0 10 0
Canon 0x4015 (60 bytes binary data)
Canon 0x4016 24 0 1 0 1 1
Canon 0x4017 132609 1006632984
Color Balance Unknown (3,752 bytes binary data)
Color Space sRGB
Color Temperature 6,100
Color Tone Normal
Continuous Drive Continuous, High
Contrast Normal
Control Mode Camera Local Control
Dial Direction Tv Av Normal
Digital Gain 0
Digital Zoom None
Dust Removal Data (1,024 bytes binary data)
Easy Mode Manual
Exposure Compensation -2/3
Exposure Level Increments 1/3-stop set, 1/3-stop comp.
Exposure Time 1/8192
F Number 8
Flash Activity 0
Flash Bits (none)
Flash Exposure Compensation 0
Flash Guide Number 0
Flash Output 0
Flash Sync Speed Av Auto
Focal Length 600 mm
Focal Plane X Size 1615.47 mm
Focal Plane Y Size 554.18 mm
Focal Units 1
Focus Distance Lower 0
Focus Distance Upper 0
Focus Mode AI Servo AF
Focus Range Not Known
Focusing Screen Ec-CIV
High ISO Noise Reduction Off
Highlight Tone Priority Disable
ISO Speed Increments 1/3-stop
ISO Speed Range Enable
Internal Serial Number P0001401
Lens AF Stop Button AF stop
Lens Drive No AF Focus search on
Lens Type EF600mm f/4L IS USM
Lens Type Unknown (185)
Long Exposure Noise Reduction Auto
Long Focal 600 mm
Macro Mode Normal
Manual Flash Output n/a
Max Aperture 4
Measured EV 9.38
Metering Mode Evaluative
Min Aperture 32
Mirror Lockup Disable
ND Filter Unknown (-1)
Noise Reduction On (mode 4)
Num AF Points 9
Optical Zoom Code n/a
Original Decision Data Offset 0
Owner Name
Picture Style Standard
Quality Fine
Raw Jpg Size Large
Record Mode CR2+JPEG
Safety Shift Disable
Saturation Normal
Self Timer Off
Sensor Blue Level 0
Sensor Bottom Border 3,223
Sensor Height 3,228
Sensor Left Border 72
Sensor Red Level 0
Sensor Right Border 4,823
Sensor Top Border 56
Sensor Width 4,832
Shot Number In Continuous Burst 0
Camera Body No. 0019900698
Serial Number Format Format 2
Set Button When Shooting Normal (disabled)
Sharpness Frequency n/a
Short Focal 600 mm
Shutter Button AF On Button Metering + AF start/AF stop
Slow Shutter None
Superimposed Display On
Target Aperture 8
Target Exposure Time 1/8192
Thumbnail Image Valid Area 0 159 7 112
Tone Curve Standard
VRD Offset 0
Valid AF Points 9
WB Bracket Mode Off
WB Bracket Value AB 0
WB Bracket Value GM 0
WB Shift AB 0
WB Shift GM 0
White Balance Auto
White Balance Blue 0
White Balance Red 0
Zoom Source Width 0
Zoom Target Width 0
CanonVRD this group of metadata is encoded in 113,892 bytes (111.2k)
Blue Curve Limits 255 0 255 0
Blue Curve Points (0,0) (255,255)
Brightness Adj 0
Canon VRD (113,892 bytes binary data)
Check Mark 2
Chrominance NR TIFF JPEG Off
Chrominance Noise Reduction Unknown (166)
Color Tone Adj 0
Constrained Crop Height 0
Constrained Crop Width 0
Contrast Adj 0
Crop Active No
Crop Aspect Ratio Free
Crop Height 0
Crop Left 0
Crop Top 0
Crop Width 0
Dynamic Range Max 4,095
Dynamic Range Min 0
Green Curve Limits 255 0 255 0
Green Curve Points (0,0) (255,255)
Luminance Noise Reduction Unknown (120)
Monochrome Contrast 0
Monochrome Filter Effect None
Monochrome Linear No
Monochrome Sharpness 0
Monochrome Toning Effect None
Picture Style Standard
RGB Curve Limits 255 0 255 0
RGB Curve Points (0,0) (255,255)
Raw Brightness Adj 0.00
Raw Color Adj Shot Settings
Raw Color Tone Adj 0
Raw Contrast Adj 0
Raw Custom Saturation 0
Raw Custom Tone 0
Raw Highlight Point 0
Raw Linear No
Raw Saturation Adj 0
Raw Shadow Point 0
Raw Sharpness Adj 0
Red Curve Limits 255 0 255 0
Red Curve Points (0,0) (255,255)
Rotation 0
Saturation Adj 100
Tone Curve Active Yes
Tone Curve Property Shot Settings
VRD Version 3.50
WB Adj Color Temp 5,200
WB Adj RGB Levels 0 0 0
WB Fine Tune Active No
WB Fine Tune Saturation 0
WB Fine Tune Tone 0
White Balance Adj Shot Settings
Work Color Space Adobe RGB
File basic information derived from the file.
Bits Per Sample 8
Color Components 3
Encoding Process Baseline DCT, Huffman coding
Exif Byte Order Little-endian (Intel, II)
File Type JPEG
Image Size 4,752 3,168
MIME Type image/jpeg
Y Cb Cr Sub Sampling YCbCr4:2:2 (2 1)
Composite
This block of data is computed based upon other items. Some of it may be wildly incorrect if the image has been resized.
Aperture 8.0
Circle Of Confusion
0.019 mm
Drive Mode Continuous shooting
Field Of View 2.2 deg
Flash Off
Focal Length 600.0 mm (35 mm equivalent: 950.7 mm)
Hyperfocal Distance
2373.17 m
ISO 1,600
Lens 600.0 mm
Lens 600.0 mm (35 mm equivalent: 950.7 mm)
Light Value 15.0
Scale Factor To 35 mm Equivalent 1.6
Shooting Mode Shutter speed priority AE
Shutter Speed 1/8000
Date/Time Original 2008:07:14 08:57:34.00
1 month, 11 days, 8 hours, 43 minutes, 58 seconds ago
Thumbnail Image (14,046 bytes binary data)