a good cheaper cpu is pentium d. i think u can get on at 2.8GHZ for around $100. 2gb of ram u can get for about $70. hdd u can get a 80GB SATA for about $60. u can get any kinda case for around $30-40. tiger direct has 17-19" lcds for about $120. u can get any keyboard/mouse combo for around $30. then i would recommend getting a 7950GT for around $150 i think. that totals to about $570, but thats without shipping. and all of that stuff can be found at tiger direct. tiger direct has a few stores, so you might get lucky, and not have to pay shipping.