The portable N64 was just one of those stories you read about. Reportedly developed by R&D but never produced. Can't remember the webpage that talked about it (they didn't have any pictures or anything anyway). I fully believe it. A lot of nifty gadgets like that are developed in R&D that never...
An old page, but with some interesting info about licensing fees: EDIT: Jinx! I posted this at the same time as Joe! http://cube.ign.com/articles/088/088598p1.html
If they would release a Final Fantasy, Dragon Warrior, Devil May Cry, Maximo, Tekken, Dynasty Warriors, etc for Gamecube I would buy it over the PS2 versions for the improved controller comfyness and the fact I have 4 first party controllers (although the Dpad sucks for fighting games). GC only...