This may be one DIY hack I have to try myself some day. Pick up a NES, Super Nintendo or N64 pad map away and start playing. It may be the best present for that geek in your life this holiday season.
The fine people over at Funtendo have created a self contained, small form, portable multi-emu capable of playing those great nintendo classics. This DIY hack should be easily completed with in a few hours and keep you busy for many more.
Check it out over at Funtendo