I just switched from windows to Linux on my computer. I'm using Ubuntu 9.04. (Jaunty jackalope)
Its awesome, I totally recommend it. Takes a little while to make it look sweet but I have it running and looking better then Vista and OSX.
I'm new to Linux but Google and Youtube showed me how to do everything.
Ill be putting it on the PS3 with in the next few days, ill let you know how it goes.