Here is one alternate build
https://secure.newegg.com/NewVersion/WishList/MySavedWishDetail.asp?ID=5457111 :
Antec Nine Hundred Black Steel ATX Mid Tower Computer Case - Retail
Model #: Nine Hundred
Item #: N82E16811129021
$139.99 $139.99
GIGABYTE GA-P35-DS3R LGA 775 Intel P35 ATX Intel Motherboard - Retail
Model #: GA-P35-DS3R
Item #: N82E16813128050
$129.99 $129.99
EVGA 768-P2-N831-AR GeForce 8800GTX 768MB GDDR3 PCI Express x16 HDCP Video Card - Retail
Model #: 768-P2-N831-AR
Item #: N82E16814130072
$546.99 $546.99
CORSAIR CMPSU-620HX ATX12V v2.2 and EPS12V 2.91 620W Power Supply - Retail
Model #: CMPSU-620HX
Item #: N82E16817139002
$189.99 -$20.00 Instant $169.99
Intel Core 2 Duo E6750 Conroe 2.66GHz LGA 775 Processor Model BX80557E6750 - Retail
Model #: BX80557E6750
Item #: N82E16819115029
$219.99 $219.99
Crucial Ballistix 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory Model BL2KIT12864AA804 - Retail
Model #: BL2KIT12864AA804
Item #: N82E16820146565
$109.99 $109.99
Seagate Barracuda 7200.10 ST3320620AS (Perpendicular Recording Technology) 320GB 7200 RPM SATA 3.0Gb/s Hard Drive - OEM
Model #: ST3320620AS
Item #: N82E16822148140
$79.99 $79.99
Logitech G11 Silver & Black USB Standard Gaming Keyboard - Retail
Model #: 967929-0403
Item #: N82E16823126009
$58.99 $58.99
Acer AL2216Wbd Black 22" 5ms DVI Widescreen LCD Monitor with HDCP support - Retail
Model #: ET.2216B.0D0
Item #: N82E16824009094
$249.99 -$30.00 Instant $219.99
Logitech G5 2-Tone 6 Buttons 1 x Wheel USB Wired Laser Mouse - Retail
Model #: 931376-0403
Item #: N82E16826104191
$45.99 $45.99
LITE-ON 20X DVD±R DVD Burner With 12X DVD-RAM Write Black SATA Model LH-20A1S - Retail
Model #: LH-20A1S
Item #: N82E16827106057
$34.99 $34.99
Microsoft Windows XP Professional With SP2B 1 Pack - OEM
Model #: E85-04741
Item #: N82E16832116059
$139.99 $139.99
Logitech X-230 32 watts RMS 2.1 Black Speaker System - OEM
Model #: 970123-1403
Item #: N82E16836121123
Total is $1935.87
This doesn't include a UPS. Some items are entirely arbitrary, like the case, speakers, KB, and mouse. This doesn't include a separate CPU cooler either, but there's enough left to choose one when you decide to OC.