I absolutely love this writeup from the folks at Layer Vault on Flat Interface Design. They elect to move entirely away from all sorts of skeuomorphism, bevels, shadows, etc. in favor of ultra simplistic designs - ideally in an effort to expose and embrace a higher level of user comfort and understanding right out of the gate. There's no shortage of examples to back this up but it's always nice to read a reminder of why you should continue to embrace this headspace.

Tip of the hat to