I had wondered about that, actually. I went thru a bin of SFX power supplies at a local goodwill computerworks recently, and of the 10 that I encountered none of them had a -5v line. So I wound up getting something too large to mod for an apple case. :-O Thanks for the heads up on the linear regulator. You beat me with the answer to my next question before I could ask it. You rock. ;-) -B