Hey guys; This is a Dell Dimension 8100. It is a few years old. I'm looking to get a new case for it (rack mount), but I don't know what type of motherboard it is. I fear it may be proprietary. Click here: http://www.think-evolution.com/mycase.jpg I guess if its proprietary, I may as well get a new mobo/processor/ram combo, right? Thank you!