Building first gaming PC, review please

[boncher]

Video Card

eVGA 256-P2-N515-AX Geforce 7800GT 256MB 256-bit GDDR3 VIVO PCI Express x16 Desktop PC
http://www.newegg.com/Product/Produc...82E16814130247

Motherboard
ASUS A8V Socket 939 VIA K8T800 Pro ATX AMD Motherboard
http://www.newegg.com/Product/Produc...82E16813131541

Processor

AMD Athlon 64 4000+ 1GHz FSB Socket 939 Processor
http://www.newegg.com/Product/Produc...82E16819103529

RAM

(2x) CORSAIR XMS 1GB (2 x 512MB) 184-Pin DDR SDRAM Dual Channel Kit System Memory
http://www.newegg.com/Product/Produc...82E16820145449

Hard Drives

(2x) Western Digital Raptor WD360GD 36.7GB 10,000 RPM 8MB Cache Serial ATA150 Hard Drive - OEM
http://www.newegg.com/Product/Produc...82E16822144200
Western Digital Caviar SE 160GB 3.5" IDE Ultra ATA100 Hard Drive - OEM
http://www.newegg.com/Product/Produc...82E16822144203

CD Drive
ASUS Silver IDE CD-ROM Drive Model CD-S520-A5 –
http://www.newegg.com/Product/Produc...82E16827134010

Mouse
Razer Copperhead(Green)
http://www.newegg.com/Product/Produc...82E16826153107

Everything looks compatible right? Can anyone point me in the direction of a good soundcard and speakers(2.1 setup is probably what I'll go for)