buy this computer
http://www.tigerdirect.com/applicati...7466&CatId=333
add this video card
http://www.tigerdirect.com/applicati...922&CatId=3670
add this monitor if you need one
http://www.tigerdirect.com/applicati...5913&CatId=170
or build your own computer it can be much cheaper and computer parts are made so easy to install now and days a cave man can do it (apologizes to angry cavemen)
oh and add this cpu fan
http://www.tigerdirect.com/applicati...7261&CatId=798
basically if you want a good computer even without building it from scratch your going to have to know how to install a couple of parts....which is easy as I have stated...