Gameboy Micro
I played with one of these at E3. They drop on September 19th for $99. Hard to justify, especially if you have a DS and a GBA SP. Still cool, though.
IGN Hands On with the Gameboy Micro
Paper Gameboy Micro Cutout
Size, Color, Faceplate previews at micro.gameboy.com
3D Preview of the Gameboy Micro
John Tokash 