Since I'd just be linking to the same sites, to save time I'll just quote Jhin's list:

Originally Posted by Jhin David Shea (http://www.mezzoblue.com) ShawnInman (http://www.shauninman.com) JefferyZeldman(http://www.zeldman.com) Mike Davidson (http://www.mikeindustries.com) Andy Clarke (http://www.stuffandnonsense.co.uk) Eric Meyer(http://www.meyerweb.com) ...hmm those are all I can think of at the moment...

Thanks Jhin for typing all that out, so that I didn't have to. The only person that I would add to that list is Cameron Moll.