Well, I just got my new linux (old pc) box on the team. I downloaded the console version for my PIII 733 Mhz machine.
I now have folding running on three platforms. Rather cool.
On a side note, I am amazed at how much easier linux is to use (Mandrake 8.2). I attribute this to two things. 1) It has been three years since I touched Linux, and the developers have made it more idiot proof. 2) My limited experience with the Terminal in Mac os X has given me greater confidence and skill