Doesn't have to be great. Doesn't have to be new.
For General use and must play World of Warcraft well (it's not ver demanding, see below):
* Intel Pentium® III 800 MHz or AMD Athlon 800 MHz
* 512 MB or more of RAM
* 32 MB 3D graphics card with Hardware Transform and Lighting, such as NVIDIA® GeForce 2 class card or above
* DirectX® 9.0c (included) and latest video drivers
* 6.0 GB available HD space
* 4x CD-ROM drive
* A 56k or better Internet connection
So, Ideally, want:
At least 64MB Dedicated Graphics Card.
At least 1GB Ram (or upgradable to 1gb or more).
20gb+ Hard Drive.
Price range to be decided, but not likely anymore thatn 200.