Good calls there rockz.
The HDD is better, the PSU can be cut down, but the GFX, I'd go with the 5670. XFX has a double lifetime warranty. This means that as long as you have it, and if you resell it as long as the person who buys it from you has it, they will replace it.
ewiz has the absolute best prices on HDDs, and you can usually find some code somewhere for one too. I'll probably never buy a hard drive from newegg again (plus only tax in cali, for people who don't mind stealing).
more stuff. Sorry this is turning to a collection of really good deals.
http://slickdeals.net/permadeal/37542/1.5tb-samsung-hd154ui-ecogreen-f2-sata-hard-drive-$66,-2tb-western-digital-wd20ears-caviar-green-serial-ata-hard-drive1.5 TB $66 green samsung f2
2 TB $100 green 64 MB cache caviar
Newegg's got a back to school sale:
http://www.newegg.com/Product/Product.aspx?Item=N82E16820211364$80 RAM, code EMCYWYP35, a few combo deals
http://www.newegg.com/Product/Product.aspx?Item=N82E16827135204$20 DVD Burner, with a few combos which make it free.
http://www.newegg.com/Product/Product.aspx?Item=N82E16814130535$50 9800 GT after $35 MIR, this thing is between the 5670 and the 4850. Double power consumption compared to 5670. Read
herehttp://www.newegg.com/Product/Product.aspx?Item=N82E16813138163$50 after $10 MIR, code EMCYWYP34, Biostar 790GX motherboard. The 790GX chipset is the second best integrated graphics on the market. While I wouldn't recommend it, it's slightly better than the 9800 Pro, which meets SC2's min specs. One combo deal with ram.
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136319$55 640 GB caviar black, code EMCYWYP32. Very old drive, not as fast as ex's blue (I'm assuming) and def not the spinpoint, but more density.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817371033$30 after $10 MIR, code EMCYWYP26, 380W Antec Earthwatts, beats the corsair due to ATX 2.3 and 80+ BRONZE. It's a lot newer, too.
http://www.newegg.com/Product/ComboDealDetails.aspx?ItemList=Combo.466466$55 after $25 MIR, decent modular 700W modular PSU, with free DVD burner referenced earlier, and free 4 GB flash drive. $55 is a good price for this PSU, and you get 2 useful free things with it, but you have to justify spending $25 on them (since you could get an essentially equally good PSU for $30, as nobody uses 700W).
"Parliamentary inquiry, Mr. Chairman - do we have to call the Gentleman a gentleman if he's not one?"