Minimal Light User Interface by Diego Monzon http://dribbble.com/shots/808157-Minimal-Light-User-Interface-Freebie
Plastic and chrome button ui inspirations
Week 1 - Skeuomorphic Web Design - This is about a real looking UI kit. The switches, knobs, and buttons all look as if this were a real board.
25 nice UI/UX designs | From up North
Minimalist Archives - leManoosh
button smooth minimalist black matte iRiver
# button braun matte glossy shaver electronics black texture silicon