OK, so I've finally decided on a few final things, and made some changes to the previous stuff.
Case change: Antec P180.
http://www.antec.com/us/productDetails.php?ProdID=81800 ~$150
DVD burner change(recommended by several): NEC Black 16X DVD+R 8X DVD+RW 8X DVD+R DL 16X DVD-R 6X DVD-RW 16X DVD-ROM 48X CD-R 32X CD-RW 48X CD-ROM 2M Cache IDE DVD Burner
http://www.newegg.com/Product/Product.asp?Item=N82E16827152047 $40
Hard Drives(open to suggestions still. if you can get 1TB of space for <$500 with NCQ SATA II drives, let's hear it. I didn't see any 2x 500gb drives that offered this solution): Maxtor DiamondMax 10 6B250S0 250GB 7200 RPM Serial ATA150 Hard Drive - OEM
http://www.newegg.com/Product/Product.asp?Item=N82E16822144358 $126 x 4 = $504 of maximum comedy.
Video card: BFG Tech BFGR78256GTXOC Geforce 7800GTX 256MB GDDR3 PCI Express x16 Video Card
http://www.newegg.com/Product/Product.asp?Item=N82E16814143036 $620
I haven't firmly decided on a PSU yet but I'll allow $50-$100 at most for a good quality one. Will edit this post when I decide on one. Open to suggestions on this.
Grand total: $2559 + whatever the PSU costs me. About $2600 or so which is about the limit of what I was going to spend.