I just found a really good midi file!
 

It's from breath fo fire 3, the music from the last boss. One of the best midi files I've come across! :)
Go here: http://www.vgmusic.com/music/console.../(MyriaFt).mid

And there's plenty more where that came from! :) For more midi music from computer games, go to VG Music: http://www.vgmusic.com/
- DH