Gaming computer

This summer I was hoping I could get the chance to biuld a nice gaming computer. I was going to biuld an AMD and nvidia based computer. I was going to get a job hopefully to pay for the thing. But i found out i was to young so i''ll just work for my uncle by helping hime biuld his house in oregon (thats one hell of a comute haha). I would spend a good part of the summer there and he would pay me minimum wage and then hopefully out of his good heart just feed ne for nothing but we'll see how things turn out but these are the specs of my dream computer.

Motherboard: Asus M2N-SLI Deluxe GR NVIDIA Socket AM2 ATX Motherboard / Audio / PCI Express / SLI Ready / Dual Gigabit LAN / S/PDIF / USB 2.0 & Firewire / Serial ATA / RAID

CPU: AMD Athlon 64 X2 6000+ 3.0GHz Processor

CPU fan:Thermaltake / TMG A2 / Socket AM2/939/754 / Copper Base / CPU Cooler

Fans:Power Up 80mm Case Cooling Fan With 4-Pin Molex Connector (3-Pack)

Graphics Card: PNY GeForce XLR8 8800 GTX / 768MB GDDR3 / SLI Ready / PCI Express / Dual DVI / HDTV / Video Card

Memory: OCZ Dual Channel Gold XTC 2048MB PC6400 DDR2 800MHz Memory (2 x 1024MB)

Hard Drive: Seagate / Barracuda 7200.10 / 500GB / 7200 / 8MB / ATA-100 / EIDE / OEM / Hard Drive

Case: Apevia X-Discovery Black ATX Mid-Tower Case with Clear Side, Temperature Display, Front USB and FireWire Ports

Screen: Westinghouse LCM-22w2 / 22" Wide / 5ms / 700:1 / WSXGA 1680 x 1050 / DVI - RCA - S-Video / Widescreen LCD Monitor

Drivers: Lite-On Super-Multi LH20A1H / 20x DVD±R Burn / 16x DVD±R Read / 8x DVD+RW / 6x DVD-RW / 8x DVD±R DL / 12x DVD-RAM / Internal / Black&Beige / DVD Burner with Lightscribe (x2)

Power supply: Ultra / X-Finity / 800-Watt / ATX / Dual 80mm Fans / SATA-Ready / SLI-Ready / Active PFC / Power Supply - Black

Well thats it and if you have any suggestions about some of the parts I am going to use pleaseleave a comment and your suggestion. Oh and the total cost of this thing with out shipping is 2108.71$
Here is the equation,(not in order presented above)
Total cost= 150+250+650+100+125+200+70+3+(40x2)+50+270=1948+tax=2108.71$
thank you