Need Help With First Gaming Computer.

Will these components make a good first gaming computer? :


-Intel Pentium Dual-Core G860, S 1155, Sandy Bridge, Dual Core 3GHz, 3MB Smart Cache, 30x Core Ratio, 65W, Retail

-MSI H77MA-G43, Intel H77, S 1155, DDR3, SATA III - 6Gb/s, SATA RAID, PCIe 3.0 (x16), D-Sub/ DVI-D, Micro ATX

-8GB (2x4GB) Corsair DDR3 Desktop PC3-12800 (1600), Non-ECC Unbuffered, CAS 11-11-11-30, 1.5V

-500GB Seagate ST500DM002 Barracuda SATA 6Gb/s, 7200rpm, 16MB Cache, 8.5ms, NCQ

-1GB XFX Radeon HD 7850 DD Core Edition with Ghost Thermal, 4800MHz GDDR5, 28nm, GPU 860MHz, 1024 Cores +Crossfire Offer

-450W XFX Pro Core Edition P1-450S-X2B9, 85% Eff', 80 PLUS Bronze, SLI/CrossFire, EPS 12V, Fan, ATX v2.31, PSU

-LiteOn IHAS124-04 24x DVD±R, 8x DVD±DL, DVD+RW x8/-RW x6, DVD-RAM x12, SATA, Black, OEM

-Coolermaster Elite 344 Black Midi Tower Case USB 3.0 w/o PSU

I hope to be able to play games such as :
Battlefield 3, Skyrim, The Witcher 2 and other high end games.

Any help at all would be much appreciated!