building my own computer

so im building my own computer with a price range of $1000 and i have my own gpu already that im just going to pull into there for now until i make another $200 bucks for crossfire cards. tell me what you think

Raidmax Smilodon Extreme case:
http://www.newegg.com/Product/Produc...82E16811156078

DVD burner:
http://www.newegg.com/Product/Produc...82E16827118002

250gb HDD:
http://www.newegg.com/Product/Produc...82E16822148144

Crossfire motherboard:
http://www.newegg.com/Product/Produc...82E16813135024

Memory (planning on upgrading to 8gb when i have more money):
http://www.newegg.com/Product/Produc...82E16820231112

Dual-Core Processor:
http://www.newegg.com/Product/Produc...82E16819103773

Windows Vista Home Premium (64 bit):
http://www.newegg.com/Product/Produc...82E16832116204

19" Widescreen LCD Monitor:
http://www.newegg.com/Product/Produc...82E16824254023

Logitech G11 keyboard:
http://www.newegg.com/Product/Produc...82E16823126009

Mouse:
http://www.newegg.com/Product/Produc...82E16826246004

Headset:
http://www.newegg.com/Product/Produc...82E16826106931

Power Supply:
http://www.amazon.com/gp/product/B000JZ2YIW/ref=wl_it_dp?ie=UTF8&coliid=I1ZYQK7T07FPHA&colid=B 8CKN8MQ4HAS

Power Cord:
http://www.amazon.com/gp/product/B00069E9Y8/ref=wl_it_dp?ie=UTF8&coliid=I3PYQAXDHAJO5T&colid=B 8CKN8MQ4HAS

tell me what you think about this computer, if there is anything i am missing or anything non-compatible, oh the gpu i have right now is just a HD 2400pro, but im planning on getting 2 HD 2600 XTs crossfire