That is a good deal , but the OP needs a monitor too .
Heres a build I worked on for another poster a couple of days ago .
Probably the links wont work because they have been cut and pasted but a little time at Newegg and you will find the parts
AMD Athlon II X3 440 Rana 3.0GHz $65
http://www.newegg.com/Product/Prod [...] 6819103941
ASUS M5A78L-M LX AM3+ AMD 760G $60
http://www.newegg.com/Product/Prod [...] 6813131728
Kingston 2GB (2 x 1GB) 240-Pin DDR3 SDRAM DDR3 1333 $17
http://www.newegg.com/Product/Prod [...] 6820134788
SAPPHIRE 100289VGAL Radeon HD 5670 1GB $55 [ after rebate ]
http://www.newegg.com/Product/Prod [...] 6814102930
Seagate Barracuda ST3160316AS 160GB 7200 RPM $35
http://www.newegg.com/Product/Prod [...] 6822148698
Rosewill R102-P-BK 120mm Fan MicroATX Mid Tower $30
http://www.newegg.com/Product/Prod [...] 6811147111
Antec Basiq BP350 350W ATX12V v2.01 Power Supply $20 [ after rebate ]
http://www.newegg.com/Product/Prod [...] 6817371003
And dvd drive $20
Total is $302
and heres a monitor
Acer G205HVbd Black 20"
http://www.newegg.com/Product/Product.aspx?Item=N82E16824009314
EDIT: If you have a 64 bit OS then consider dropping the graphics card to a lower spec model , and using the money you save on a 2 x2 gig kit of RAM . If its 32 bit you are good as it is