Having trouble choosing configs

you budget it tight, this would be prefect beast if you can swing for it:

Here you go Ticket# 385226 --- Price: $1841. (To see this build click here) Price after current promotion $1841.

Copy of Specifications:
Chassis Model: Special Deal Hot Seller - HAF 922
Exterior Finish: - Not Available
Trim Accents: - Not Available
Processor: Intel Core i7 920 2.66GHz (Quad Core)
Motherboard: EVGA X58 Micro Edition SLI (Intel X58 Chipset) (Supports SLI or CrossFire)
System Memory: 6GB DDR3 1600MHz Digital Storm Certified Performance Series (Highly Recommended) (Hand Tested)
Power Supply: 750W Corsair TX (Dual SLI Compatible)
Expansion Bay: - Not Available
Hard Drive Set 1: Operating System: 1x (500GB Western Digital (16MB Cache) (7200 RPM) (SATA)
Set 1 Raid Options: - Not Available
Hard Drive Set 2: Multimedia\Data: - No Thanks
Hard Drive Set 3: Backup\Misc.: - No Thanks
Optical Drive 1: DVD±R/RW/CD-R/RW (DVD Writer 22x / CD-Writer 48x)
Optical Drive 2: - No Thanks
Internet Access: High Speed Network Port (Supports High-Speed Cable / DSL / Network Connections)
Video Card: 1x NVIDIA GeForce GTX 275 896MB (Includes PhysX Technology) OUT OF STOCK
Add-on Card: - No Thanks
Sound Card: Integrated Motherboard Audio
Extreme Cooling: AIR: Stage 1: Noctua Dual 120mm Fans High Performance Cooler (Compatible With ONLY i7 Processors)
H20 Tube Color:- Not Available
Chassis Airflow: Standard Factory Chassis Fans
Internal Lighting: Internal Chassis Lighting System (Blue)
Enhancements: - Not Available
Chassis Mods: - Not Available
Noise Reduction: - Not Available
Boost Processor: FREE: Stage 1: Overclock the processor between 3.3GHz to 3.9GHz (Requires Air Cooling Upgrade)
Boost Video Card: - Not Available
Boost Memory: - Not Available
Boost OS: - Not Available
Windows OS: Microsoft Windows 7 Professional (64-Bit Edition)
Restore Kit: Digital Storm Specialized Recovery System (DVD Image Based)
Virus Protection: - Not Available
Office: - Not Available
Benchmarking: - Not Available
Install/Test Game: FREE: Please include a free copy of a hot-selling game
Display: - No Thanks
Surge Shield: - No Thanks
Speakers: - No Thanks
Keyboard: - No Thanks
Mouse: - No Thanks
External Storage: - No Thanks
Exclusive T-Shirt: FREE: Digital Storm T-Shirt - Black (Large)
Priority Build: - No Thanks, Ship Within 5-10 Business Days After Order Is Successfully Processed
Warranty: 3 Year Platinum Care Extended Parts & Labor Warranty

if its out of your budget then drop the ram to 3GB and add 3 more GB down the road.

only other problem is that the current nvidia cards do not support dx11 so future games will not do as well with this card, what resolution will you be gaming at?