Advise on custom built computer?

I currently have



-Intel Core 2 Extreme X6800 Conroe 2.93GHz LGA 775 Processor Model BX80557X6800



-2 x ASUS EN8800GTX/HTDP/768M GeForce 8800GTX GDDR3 PCI Express x16 HDCP Video Card



-ASUS P5W DH DELUXE/WIFI-AP LGA 775 Intel 975X ATX Intel Motherboard



-CORSAIR XMS 2GB (2 x 1GB) 184-Pin DDR SDRAM DDR 400 (PC 3200) Dual Channel Kit Desktop Memory Model TWINX2048-3200C2PT



These are the items i intend to buy



-Thermaltake Mini Typhoon with 92mm Fan



-Coolmax 1000-Watt Power Supply



Can anyone give suggestion on the specific hardware that i still need for my harddrive, DVD-rom, casing and should i buy a liquid cooler ?

are the items i have and needed 100% compatible?|||The motherboard you selected is not compatible with the vid cards. It only supports ATI cards in dual card configs. I would suggest getting a mobo with nforce6 series chipset with those cards.