building a new system

[w619]

I have decided to build a new system for myself so I can play Some of the newest games. I just need some advice on these things. Also i would like to add that im trying to build this under $1200.


windows: should i choose vista or xp

windows: 64-bit or 32-bit


gfx: ati 3870 or 8800gt


Processor: amd or intell

Is this a good mobo if i go amd GIGABYTE GA-MA770-DS3 AM2+/AM2 AMD 770 ATX All Solid Capacitor AMD Motherboard - Retail "Its from newegg."


I know this probly seems like a waste of time to you but please help me out.

 

[akhilles]

E7200
GA-EP45-DS3L/R
2X2GB DDR2-800MHZ
HD4850
CORSAIR/EARTHWATTS 450W
POPCORN & COKE EXTRA

 

[shadowduck]

Mid-Range Build: ~ $1,200 Currently: $1174.73 shipped before $50 MIRs
CPU: Intel Core2Duo E8400
Motherboard: Asus P5Q Pro
RAM: G.Skill 4GB DDR2-800 4-4-4-12
Hard Drive: 500GB Seagate 500GB 32MB cache
Optical Drive: Samsung 20X DVD burner SATA
Case:Antec P182
Power Supply: PC Power and Cooling 610W ($25 MIR)
OS: Windows Vista Home Prem 64-bit
Video Card: Power Cooler 4850 $25 rebate
Arctic Cooling MX-2 compound

Good all around system.
Bad: Won't play Crysis on VeryHigh.

Can add another 4850 for $200 for a nice Crossfire system for under $1500.