Desktop
Currently, I only own one desktop computer. It is an HP Pavilion running Windows XP. The specifications are:
-1 TB Hard Drive
-Intel Quad Core Processor, 2.66 GHz
-Radeon 4890 Graphics card
-8 GB RAM
-Monitors: LG Flatron 17" Widescreen and a Viewsonic 15" (Will be upgrading soon)
-I am using a 'Pro-Micro' mouse. My keyboard is the HP one but it works just fine and has a few helpful buttons.
Laptop
I use a white 13.3" MacBook. It runs Mac OS X Leopard. The specifications are:
-120 GB hard drive (Partitioned with Windows XP for gaming)
-2.00 GHz, 2 GB RAM
-Mighty Mouse in use, wired
Old Computers
-Servers, maybe ? I don't know yet. I have too many computers.

