I just stumbled across a program called 'Q' that allows us Mac users to "Run Windows, Linux and a lot more Systems on your Mac."
I'm not quite sure what the Linux part means, as it really isn't that hard to do currently, but a native Cocoa program to run Window$ applications could possibly be useful. I've tried playing with this type of translator before with relatively little success. Perhaps I'll play with this a little over spring break once I get some free time. I just wonder if it is fast enough to run this sort of thing.