CSS3 Resources

CSS3 Solutions for Internet Explorer {via Smashing Magazine}
CSS3 PIE (Progressive Internet Explorer - IE compatibly for drop shadow, gradient, border radius)

cssSandPaper (CSS3 Javascript Library) - cube transformations
Elliot Jay - Progressive Enhancement  (presentation that addresses the balance between usability and aesthetics, should web design be boring due to cross browser incompatibility)

CSS3 Transitions {via w3schools}
CSS selectors {via w3schools}
CSS3 Tranforms {via cssSandpaper}