OK. It's your money, build, requirements and decision. Let's see if we can summarize where you are based on your posts.
1. No Vista - XP 64 bit only.
2. Mem must be Corsair dominator or XMS
3. Intel core 2, you seem to be leaning to QX9650
4. PSU no less than 1000w
5. 22" monitor
6. Thermal Tower case
7. Fastest HD available - no raid
8. You want SLI and 45nm, but aren't sure your willing to wait for the new board.
You need to make this decision before any advice can be given
9. You want DDR2 and DDR3 capability in MB - very limiting factors today
10. You would prefer Gigabyte MB
11. Your last decision on a build was
I've decided....
I wont be overclocking so I wont need liquid cooling.
I wont be upgrading any components in the future.
CPU - Intel Core 2 Extreme QX9650
MOBO - Gigabyte GA-X38-DQ6
GRAPHIC - BFG Nvidia 8800 Ultra
RAM - 2x Corsair Dominator (2x 1Gb) DDR2 800 (PC2 6400) 3-4-3-9
SOUND - Creative Sound Blaster Fata1ity Platinum
PSU - 1000W Thermaltake ToughPower
OS - Windows XP Professional 64-Bit
HDD - Western Digital Raptor X 150Gb, 10,000RPM, 16Mb Cache
STORAGE - HITACHI Ultrastar 750Gb, 7,200RPM, 32Mb cache
CASE - Thermaltake Armor Series Full Tower Silver
Wich Ram/Memory would you get?
A: Would you get 3-4-3-9 and 800MHz?
http://www.newegg.com/Product/Prod [...] 6820145165
OR
B: Would you get 5-5-5-15 and 1066MHz?
http://www.newegg.com/Product/Prod [...] 6820145173
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Are you happy with that build? If so, you only have a memory question remaining.
You did indicate you might upgrade later after all. Is that still true?
Are your restrictions based on your research or do they come from your builder assistant. If he is more comfortable working on those components, that might be pertinent.
I am not one to recommend components, I don't have any experience in the many varietys except what is in my build and what I've read reviews on. I leave that up to those knowledable at this site. If you can verify the above facts you have stated (or update them of any changes) and answer the questions, maybe people can stop beating you up, answer your specific questions, and we can be done with this thread.There are no perfect, correct answers, everyone has a preference for one reason or another. At some point, you need to make the final decision.