Is this cheap custom build good for windows 7 gaming, etc?

[iamkenIT]

AMD Athlon II X3 445 Rana 3.1GHz
ASUS M4N68T-M V2 AM3
ZOTAC GT440
Kingston 4GB 240-Pin DDR3 1066MHz
Seagate Barracuda ST31000524AS 1TB 7200 RPM
ASUS 24X DVD Burner
Antec BP550 Plus 550W 80 Plus certified
HEC 63R3BB Black Steel ATX Mid Tower
Microsoft Comfort Mouse 3000 S9J-00001
Microsoft Keyboard 400 7YH-00001
+2X SATA Data Cables

Any suggestions?

 

[Windows i7 920]

What is your budget? Although that system should do, you may want to consider a quad-core CPU. Also, a higher PSU would really help so if you ever want to upgrade you don't have to worry about the PSU.