Building PC...need help

[g3344]

Hi guys

First time I be building a PC. Although I have guidance by someone who has been building computers for years, I wanted to check that all of this is compatible and I haven't forgotten anything. Oh and if you know of cheaper places to get these parts, please tell me.

Core i7 965 [boxed]
£580

ASUS P6T SE - Motherboard - ATX - iX58 - LGA1366 Socket - UDMA133, Serial ATA-300 (RAID), eSATA - Gigabit Ethernet - FireWire - High Definition Audio
£160

GIGABYTE GH-WIU02 3D GALAXY II Liquid Cooling Kit
£120

Windows 7 64bit
£70

12GB, 1066MHz, DDR3, ECC Reg w/Par CL7 Kingston RAM
£280

Samsung Spin Point F1 1TB Internal SATA Hard Drive [x3]
£180

Antec Three Hundred - EU - Tower - ATX
£50

Liteon IHAP122-19 22x Internal DVDRW
£25

PSU
1000W DELL
Included

GFX Card
Nvidia 8800GTX [x2]
Included

Total:
£1305