New gaming system build seeking advice!

Building a new computer and am in a toss up between getting

BFG Geforce GTX 285
http://www.newegg.com/Product/Prod [...] 6814143190
or
2x Asus Radeon 4870
http://www.newegg.com/Product/Prod [...] 6814121291


this is my current build so far to give a better idea of what else it will go with.

CPU
http://www.newegg.com/Product/Prod [...] 6819103692
Mobo
http://www.newegg.com/Product/Prod [...] 6813131392
Ram
http://www.newegg.com/Product/Prod [...] 6820227478
HDD's
http://www.newegg.com/Product/Prod [...] 6822136322
http://www.newegg.com/Product/Prod [...] 6822136074
Case
http://www.newegg.com/Product/Prod [...] 6811129043
PSU
http://www.newegg.com/Product/Prod [...] 6817371024
CPU fan/heatsink
http://www.newegg.com/Product/Prod [...] 6835118019
64-bit OS

I'm hoping this will be a pretty darn good build. With everything the price is $1,673 with the 2 radeon cards. Its about $20 or so more for the 1 gtx 285. If any of you have any other advice on hardware changes plz don't hold back. This is my 1st big build so I am a noob.

Other thoughts:
CPU/mobo are combo
Case/PSU are combo
Velociraptro/OS are combo

Definitely pick up a 5870 instead and swap the HDDs like tecmo suggested

Get this case PSU combo, the EA750 has enough power for 2 strong GPUs
http://www.newegg.com/Product/Comb [...] mbo.245605

This CPU/Mobo combo will give you significantly better performance for only slightly($10) more, the i7 860 is significantly stronger than the PII 965
http://www.newegg.com/Product/Comb [...] mbo.259876

Or you can get an i5 and save $65
http://www.newegg.com/Product/Comb [...] mbo.259877

The raptor wont be faster, its overpriced and really not worth it when you can beat it with 2 larger drives for less.

Understand... I still say go with the Samsung Spinpoint F3's not in RAID0. These are pretty much as fast or faster than the VRaptor for a lot less money. It will give you more storage without any loss of speed.

would 2 samsung spinpoint f3's be better performance than say 2 wd caviar black 1tb's?

also for the xfx 5870, if I get the 2 spinpoint f3's that will give me some breathing room to get the xfx 5870, also in a month or 2 when more money comes around would if be a wise choice to pick another one of these up and crossfire them?

Also I'm getting the vista 64bit OEM. If I do get another one of these cards will it void the oem license?

well thats really great to hear! I was worried about getting a OS OEM version because I have read alot of mixed reviews, some say you can upgrade parts as long as you dont do the mobo, and some say you cant add anything.

Also, what is the difference between the xfx and saphire and other manufactures version of the 5870? Do you like the xfx because of personal preference or is there some proof to back it over the others?

XFX and Saphire are pretty much the two best Manufacture of ATI cards. Why I recommend XFX is based on price and personal perference. You will be okay with either or of the two.

Only change I still recommend is for you to change out your HSF to this... Xigmatek Dark Knight S1283V, which is a better performing HSF.

for memory cooling will the OCZ XTC memory cooler (not Rev2) work on 4 sticks of ocz ram?

ram
http://www.newegg.com/Product/Prod [...] 6820227478
OCZ XTC memory cooler
http://www.amazon.com/OCZ-TECHNOLO [...] 702&sr=8-1