Slashdot and a few others are running a story about a software company that has created a complete emulation of programs on any system, and there would be little performance hit. Now, their demo was Doom III on a Powerbook, but it was the Linux port, so it's a good chance they just went into Unix and messed around with it a bit.
Here's the link....
http://slashdot.org/articles/04/09/1...?tid=126&tid=1