The scripts from 'mc68k', available in the sticky threads at the top of this forum, already provides this functionality, sans GUI. There's nothing magical about running a folding process on each CPU of a dual CPU machine; we've been doing it for years. The MR scripts can pause, resume, start, stop, give status and remove the folding processes. It also starts folding automatically on system startup, if you want.
Obviously you'll get a lot more productivity run two WUs at once, instead of one. In fact, I think it would be about double

I guess what I'm trying to say is that TeamMacOSX doesn't have some magical silver bullet that nobody else knows about; what you're describing is commonplace in the folding arena.