Buttons
Call to Action Buttons Discussion and Showcase

Design
http://designshack.co.uk/
http://www.smashingmagazine.com/2009/07/17/lessons-from-swiss-style-graphic-design/ (swiss design)
http://www.webcreme.com/
http://www.smashingmagazine.com/2009/10/28/offline-inspiration-how-to-find-it-and-get-the-most-out-of-it/ (Article on how to find inspiration)

Banner Ads
http://www.yureekah.com (somewhat useful, but kind of annoying because of the sound)

typography inspiration
http://psd.tutsplus.com/articles/inspiration/53-mind-blowing-uses-of-typography/