I'm a developer (specifically, a web developer), but I try to occasionally stop by some of the larger graphic design sites to get ideas from time to time.

Here's a few of my favorites: http://www.smashingmagazine.com http://www.sixrevisions.com http://logopond.com

Also, here's a good article with a list of social news sites for designers: http://sixrevisions.com/web_design/12-excellent-social-news-...