Upgrading to Dell XPS 420 - or not?

[neph2k8]

Hey all

Quick question, my rig is now old and falling over at the slightest thing thrown at it, as well as overheating probs etc, and ive decided to invest some new machinery.

Ive decided to go donw the alley of a dell xps 420 customised so:

Base Premium Chassis - Intel® 2 Quad-Core™ Processor Q6600 (2.40GHz, 1066MHz, 8MB cache)
Microsoft Operating System Genuine Windows Vista® Ultimate - English
Memory 4096MB 800MHz Dual Channel DDR2 SDRAM [4x1024]
Keyboard Dell™ Enhanced USB Multimedia Keyboard - UK/Irish (QWERTY)
Monitor Monitor Not included
Video Card SINGLE 768MB nVidia® GeForce® 8800 GTX graphics card
Hard Drive 1TB Dual Hard Drive Raid 0 Stripe (2x500GB - 7200rpm)
Floppy Drives and Additional Storage Devices 19-in-1 Bluetooth Media Card Reader
Mouse Dell Optical Scroll Premium Mouse
Modem No Modem
Optical Devices 6X Blu-Ray ROM Drive & 48X CDRW/DVD ROM
Sound Cards Sound Blaster® X-Fi Xtreme Gamer PCI Soundcard
Speakers Dell™ A525 Speakers with Subwoofer
Wireless Networking Internal 802.11b/g Wireless PCI Card
Shipping Documents XPS 420 English Documentation with UK/Irish Power Cord
Gedis Bundle Reference D02X406
Microsoft Application Software Microsoft® Works 8.0 - English
Standard Warranty Base Warranty - 1 Year XPS Premium Hardware Support (incl. Gaming and On-Site Support)
Enhanced Service Packs 3 Year Consumer XPS Premium Hardware Support (incl. Gaming and On-site support)
Protect your new PC No Security/Anti-Virus Protection - English
Order Information XPS Desktop Order - UK
Dell System Media Kit XPS 420 Resource DVD
Accidental Damage Support No Accidental Damage Support
TV Tuner and Remote Control TV Tuner and AVIO / Accellerator
Adobe Reader Adobe Elements Studio Software (incl Photoshop, Premiere and Soundbooth)

Noq this is around what i want to spend (£1500)

But my question is, would i be better customising one of the new 630s to the same cpu mem etc and using the dual 8800gt's instead of a single gtx?

Disscuss?

Thanks in advance

 

[mazuk]

There is no real need for sli/crossfire atm, having a single gtx would be more than enough in this age, having 2 8800gts would be less productive and would probulay cause your cpu/hdd to bottleneck the gfx performance