A Noob With Compatibility Questions!

[WooDChiP]

Well this will be my first custom built computer... (Me = Newbz0r)

I would Greatly appreciate it if anyone would give some advice or tell me if the parts are/aren't compatible.

MOBO
Gigabyte GA-K8U-939 Socket 939 ULi M1689 ATX AMD
http://www.newegg.com/Product/Product.asp?Item=N82E16813128307

CPU
AMD Athlon 64 3700+ San Diego 2000MHz HT 1MB L2 Cache Socket 939 w/ heat sink+fan
http://www.newegg.com/Product/Product.asp?Item=N82E16819103539

MEMORY Im buying another 512 soon after making it.
CORSAIR XMS 512MB 184-Pin DDR SDRAM Unbuffered DDR 400 (PC 3200)
http://www.newegg.com/Product/Product.asp?Item=N82E16820145416

HD
Seagate Barracuda 7200.9 ST3808110AS 80GB 7200 RPM 8MB Cache SATA 3.0Gb/s OEM
http://www.newegg.com/Product/Product.asp?Item=N82E16822148107

CD-DRIVE
SAMSUNG Black 18X DVD+R 8X DVD+RW 8X DVD+R DL 18X DVD-R 6X DVD-RW 12X DVD-RAM 16X DVD-ROM 48X CD-R 32X CD-RW 48X CD-ROM 2M Cache E-IDE/ATAPI DVD Burner OEM
http://www.newegg.com/Product/Product.asp?Item=N82E16827151133

POWER kind of a cheapo PSU :hotouch:
POWMAX PSDE480 ATX 480W Power Supply 115/230 V UL, D, S, N, CB, CE, and FCC
http://www.newegg.com/Product/Product.asp?Item=N82E16817163017

CASE
APEVIA (ASPIRE) X-Plorer ATXB8KLW-SS Black Steel ATX Mid Tower Computer Case
http://www.newegg.com/Product/Product.asp?Item=N82E16811144102

VIDEOCARD
XFX Geforce 6800XT 256MB 256-bit GDDR3 AGP 4X/8X
http://www.newegg.com/Product/Product.asp?Item=N82E16814150157