here are some desktops from newegg which are decent for a low budget:
http://www.newegg.com/Product/Product.aspx?Item=N82E16883103189
$439.99 + 25 shipping
http://www.newegg.com/Product/Product.aspx?Item=N82E16883103193
$369.99 + 20 shipping
http://www.newegg.com/Product/Product.aspx?Item=N82E16883103159
$384.99 + 25 shipping.
hope that helps.
newegg has billmelater promotion. http://promotions.newegg.com/Newegg/BML110708/index.html
see if that helps any.
http://www.newegg.com/Product/Product.aspx?Item=N82E16883103189
$439.99 + 25 shipping
http://www.newegg.com/Product/Product.aspx?Item=N82E16883103193
$369.99 + 20 shipping
http://www.newegg.com/Product/Product.aspx?Item=N82E16883103159
$384.99 + 25 shipping.
hope that helps.
newegg has billmelater promotion. http://promotions.newegg.com/Newegg/BML110708/index.html
see if that helps any.