PSU needed!

[mainakhore]

Hi guys! am in a bit of a spot of bother here! could anyone suggest me a decent psu for this rig m going to build?
specs:
core I5 2400
biostar tz68k+ [cheapest z68 mobo I could find]
gigabyte hd 6850 1gb ddr5
corsair vengeance 2x2gb 1600 mhz
seagate 1 tb hdd 7200 rpm
hp 24x dvd burner
any cheap case without any fan [might add fans if needed]
dell st220l
any other recommendations will be gratefully acknowledged! cheers!

 

[lakshitharxx]

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139027