Oh, okay, (wipes brow...which ends up looking just like...)
It was shiny and black, so I just thought...I made sure it had the SACD compatability, but wasn't aware that not all PS3's could have linux loaded onto it, so did not check that at all.
Dinny -- the honest answer is, "I'm not sure". It's a computer, so the possibilities are endless, but I don't know what non-game utilities are available via standard deployment options other than streaming, which, as has already been said, is certainly available elsewhere.
EDIT: Well, apparently you can do Folding@home if that interests you at all. (The CPU inside this thing is unholy powerful. Folding@home is that technology that allows your computer to utilize idol clock cycles contributing to searching for the cure for cancer.)