I have PSE 5 and it works fine for my needs. Costco has the full version of PSE 7 for $50. I downloaded the PSE 7 trial and I'm not seeing any new useful stuff related to doing stock. $50 isn't worth getting a different color.

Anybody found anything in PSE 7 that would want to make me upgrade?

Unfortunately just more weenie stuff for the masses. When they have to put "New Search Box" as a feature, that's not good news

http://www.adobe.com/products/photoshopelwin/features/

More info on Cnet

http://news.cnet.com/8301-17938_105-10025031-1.html

I keep a copy of Ele 5 on the laptop just so I can do some raw proofing on the road. The new stuff like Scene Cleaner may be desirable at a consumer level, but not for me. I'd rather let the camera do the work. Upgrade not worth it for me.

If you shoot raw files and plan a camera purchase, upgrade may be inevitable though to keep with new converters for new camera models. So another Adobe bonus - planned obsolescence 

Hope this helps you out.