Compatibilty Concerns

I just wanted to know if the following parts are all compatible and if there was anything better that i can get for it and also what kind of RAM should i get fort this set up to help max this baby out? and also cooling for the CPU what should i get?

BFG Tech BFGEGTX2801024OC2E GeForce GTX 280 1GB 512-bit GDDR3 PCI Express 2.0 x16 HDCP Ready SLI Supported

ASUS Striker II Extreme LGA 775 NVIDIA nForce 790i Ultra SLI DDR3 ATX Intel Motherboard

Intel Core 2 Quad Q9550 Yorkfield 2.83GHz LGA 775 95W Quad-Core Processor Model BX80569Q9550

COOLER MASTER UCP RS700-AAAAA3 700W ATX12V / EPS12V SLI Certified CrossFire Ready 80 PLUS SILVER Certified Power Supply

COOLER MASTER HAF 932 RC-932-KKN1-GP Black Steel ATX Full Tower Computer Case

Creative Sound Blaster X-Fi Titanium Fatal1ty Professional 70SB088600002 7.1 Channels PCI Express Interface Sound Card

 

am i missing anything else to build my comp? this is my first time

 

Yes, you need RAM...

Look at the board's QVL list and pick your favorite from there.