This is another computer I have.
Windows Ultimate 64BIT
Core 2 Duo 3.1 GHZ
8GB DDR3 RAM
500gb HDD SATA
DVD/CD Burner
MS Office 2010
8 USB Slots
Great machine for gaming! Just get a high end video card to get high video graphic performance (used 50$-100$ you can find them on this site)
Very fast desktop, great for anything you could need it for and easily upgradable!!