So another noob gamer needing computer help

[TechnoNoob]

Is this a good PC for high end gaming like (almost said Halo. Spent too much time on XBOX 360) Dragon Age: Origins, Battlefield Bad Company 2, Mass Effect 2, so on so forth,? Gamer Paladin F725
Case ( Zalman Z7 Gaming Case - Black )
iBUYPOWER Labs - Noise Reduction ( None )
iBUYPOWER Labs - Internal Expansion ( None )
Case Lighting ( None )
Processor ( Intel® Core™ i7 930 Processor (4x 2.8GHz/8MB L3 Cache) )
iBUYPOWER PowerDrive ( None )
Processor Cooling ( [Free Upgrade] Liquid CPU Cooling System w/ 120mm Radiator [SOCKET-1366] )
Memory ( 6 GB [2 GB X3] DDR3-1333 - Corsair or Major Brand ** FREE Upgrade to Corsair XMS3 Dominator ** )
Video Card ( ATI Radeon HD 5770 - 1GB - CrossFire Mode (Dual Cards) )
Video Card Brand ( Major Brand Powered by ATI or NVIDIA )
Motherboard ( ASUS P6T SE )
Motherboard Add-on ( None )
Power Supply ( 700 Watt -- Power Supply - SLI Ready )
Primary Hard Drive ( 500 GB HARD DRIVE -- 16M Cache, 7200 RPM, 3.0Gb/s - Single Drive )
Data Hard Drive ( 1 TB HARD DRIVE -- 16M Cache, 7200 RPM, 3.0Gb/s - Single Drive )
Optical Drive ( [8X Blu-Ray] LG BLU-RAY Reader, DVD±R/±RW Burner Combo Drive - Black )
2nd Optical Drive ( None )
Flash Media Reader/Writer ( None )
Meter Display ( None )
Sound Card ( 3D Premium Surround Sound Onboard )
Network Card ( Onboard LAN Network (Gb or 10/100) )