Squilliam on 11 October 2008
http://www.newegg.com/Product/Product.aspx?Item=N82E16883103159
$385 -2.5ghz Athlon X2 2gb Ram
http://www.newegg.com/Product/Product.aspx?Item=N82E16814161249
$82 After $10 MIR -HD 4670
Total: $484 Incl shipping.
Sorry, thats about as cheap as you can go unless you want to build it yourself. 
*Which I might add isn't as hard as it sounds*
Tease.
