Gaming i7 Build second question 4890 or gtx 275?

Here is the gaming i7 rig I'm looking to purchase asap. I want to do Crossfire or SLI, I'm not to worried about buying now, then dx11 cards coming out due to xfx's upgrade policies etc. Or should I just wait till september to see the specs on the new dx11 cards, if I don't like em, just add a second 4890 or 275?

Second question is, 4890 or 275? Right now the build price is at $1275 with just 1 4890 card in my cart. Third question, what are the chances of getting a D0 stepping from newegg?

Also I will be overclocking this to ~4ghz

My build: Feel free to critique or make changes.

Intel Core i7 920 Nehalem 2.66GHz LGA 1366 130W Quad-Core Processor Model BX80601920 - Retail

ASUS P6T Deluxe V2 LGA 1366 Intel X58 ATX Intel Motherboard - Retail

Western Digital Caviar Black WD6401AALS 640GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive - OEM

OCZ Platinum 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600 (PC3 12800) Low Voltage Desktop Memory Model OCZ3P1600LV6GK - Retail

XIGMATEK Dark Knight-S1283V 120mm Long Life Bearing CPU Cooler - Retail

CORSAIR CMPSU-750TX 750W ATX12V / EPS12V SLI Ready CrossFire Ready 80 PLUS Certified Active PFC Compatible with Core i7 Power ... - Retail

XFX HD-489A-ZDFC Radeon HD 4890 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready CrossFire Supported Video Card - Retail

COOLER MASTER HAF 932 RC-932-KKN1-GP Black Steel ATX Full Tower Computer Case - Retail

SAMSUNG DVD Burner Black SATA Model SH-S223L LightScribe Support - OEM

1ST PC CORP. 12" 8-pin EPS extension cable Model CB-8M-8F - Retail
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More about gaming build question 4890
  1. 1) if you don't get a DX11 card then you'll miss out on some effects and fps may be lower in games.

    2) 4890

    3) about 99.9%
  2. now, most of the games I play are not fps shooters. I primarily just play gta4, wow... and soon to be aion when it comes out in september.

    I think all of those are just dx10 games... so would I still be better off just doing a 4890 now, and then two 5870's later? Or for my uses, just stick with two 4890s?
  3. ^ two 5870's would blow the 4890's out of the water even in DX10/.1 games, but it's your money.
  4. ok, I hear ya... so 1 4890 now, two 5870's later.

    Anything else before I hit purchase?

    Diff motherboard? Memory? etc? Or is it all solid?
  5. maybe drop down the mobo to a P6T vanilla, as you won't need the extra features of the P6T deluxe V2.

    otherwise it looks good.
  6. no problems with the p6t running 1600mhz memory?
  7. two GTX260 or two 4870...

    Any single card config would be a waste on a i7. You can achieve the same result with AMD for less.
  8. ^ you're forgetting most people, even gamers, will have MSN, a couple of tabs open, listening to music, etc plus you've also got background apps.

    and this is where the i7 shines.
  9. ordered, I said to heck with it, and grabbed two 4890s, I can step them up to 5870s when they come out.
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