I think this could be an interesting post. Just write sites that you think are a good examples how css should be done. Could be a huge portal or just small site.
I personally think yahoo sites could be on the list. Am I wrong?
Personally [Chris Coyier from [URL="http://css-tricks.com/"]CSS-Tricks](http://chriscoyier.net/) is on my list for some good examples.
There are some examples here although I've only given them a cursory glance.
There are some older links here:
(You seemed to have posted this topic in a few other forums (oustide of Sitepoint) within the last few hours which is not very good forum etiquette. You should give one a forum a chance first and if you get no replies then try somewhere else.)