Why? Because you can! And if you put a mod chip in your XBox, you can build your own "media center computer" that's WAY better than anything Micro$oft has released. (And run Arcade games, NES, SNES, N64, Atari 2600, Sega Genesis, Game Boy, Game Boy Advance, etc. etc. etc.)
The XBox is totally under appreciated! Check out more info here here and here( and here, and here)
Read the full Linux article here (From xbox-scene.com)
I love my HaXBoX. Don't forget you can play DIVX, stream video to it, surf the net, listen to MP3s, and most importain copy games. Its so cool even my wife likes it.