Well lets start with the case.Thermaltake V9 Black Edition ATX Computer Gaming 89$ then the PSU!:COOLER MASTER eXtreme Power 600watt. 69$ Now a mobo!:GIGABYTE GA-EP45-UD3P LGA 775 134.99$ Cpu:Intel Core 2 Quad Q6600 189.99$ Video card:SAPPHIRE 100245L Radeon HD 4850 512MB 144$ Hard Drives!:Western Digital Raptor WD740ADFD 74GB for os 99$ and Seagate Barracuda ES.2 ST3500320NS 500GB for storage 89$ Cpu cooler ZALMAN CNPS9700 LED 110mm 2 Ball CPU Cooler 53.99$ Ram!:OCZ Reaper 4GB (2 x 2GB) 90$ Now that brings the total to 956$ but thats without tax.. with tax im guessing around 1100$ Now i wasnt sure if u wanted like keyboard, mouse, monitor, so i left a little extra keep in mind it might be a bit over 1300$ if u throw those 3 things in. But hopefully that helped a bit. That would be a pretty killer computer and youd be ready for some gaming toO!