Hello all, I'm looking at components for a new build and I need some help. these are the components I'd like to use.

Motherboard - Gigabyte GA - EX58 - UD3R
Processor - Intel Ci7 920
Graphics card - EVGA GeForce GTS 250 1gb GDDR3 PCIe 2.0
Hard drive - Western Digital 1Tb Caviar black
RAM - Corsair XMS3 6gb DDR3 1600 (PC3 12800) model TR3X6G1600C8 G
Power supply - Antec TP-750 750Watt
What do you guys think?