will this config for my new gaming rig function properly?

[Josh]

okay ..so I've short listed these components ..
AMD phenom II X4 630
G-Skill 4GB DDR3 1600 MHz
XFX Radeon HD 6950
Seagate Momentus 1TB 7200.11
Cooler Master HAF 922
ViewSonic 22" HD moniter
Microsoft Sidewinder X4
Roccat Kone+
Gigabyte GA 880GM USB3 Mobo
650 watt PSU
LG H55N DVD drive
NZXT sentry 2
Creative Inspire M2600
Sennheiser HD 202