Could you check my build? gaming pc ~$900

http://www.newegg.com/Product/ComboDealDetails.aspx?Ite...

[Seagate Barracuda 7200.12 ST31000528AS 1TB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive -Bare Drive]
[Rosewill DESTROYER Black Gaming ATX Mid Tower Computer Case]
(case + hdd) - $94



http://www.newegg.com/Product/ComboDealDetails.aspx?Ite...

[GIGABYTE GV-N460OC-1GI GeForce GTX 460 (Fermi) 1GB 256-bit GDDR5 PCI Express 2.0 x16 HDCP Ready SLI Support Video Card]
[OCZ ModXStream Pro OCZ700MXSP 700W ATX12V V2.2 ]

(gpu + psu) - $260 ARB


http://www.newegg.com/Product/ComboDealDetails.aspx?Ite...
[ASUS P7P55D LGA 1156 Intel P55 ATX Intel Motherboard]
[G.SKILL Ripjaws Series 4GB (2 x 2GB) 240-Pin DDR3 SDRAM DDR3 1600]
(mobo + ram) $230

http://www.newegg.com/Product/ComboDealDetails.aspx?Ite...
[windows 7 OEM]
[Intel Core i5-750 Lynnfield 2.66GHz LGA 1156 95W Quad-Core Processor BX80605I5750 ]
(os + cpu) $284

total = $892

Will this build work? and is it good enough to play new games at high or max settings? I'm building this computer to play sc2 and modern warfare2 and other new games..
I might upgrade cpu to i5-760 but I don't know if the difference is noticeable..

What do you think?