psu advice needed urgently

[jason21]

please anyone suggest me a good psu which could handle this specs of mine MY SYSTEM SPEC IS AMD FX 4100 , MSI 970G46 mobo , 8gb ram , zotac 750 1gb gpu, led 23 inch monitor, ups apc 600va-360waatts and please point me out for a mid ranged economical one as ive no idea on hardware stuffs , i frequently game alot in this system recently i faced alot of trouble on this rig like frequent rebootin while gaming while in normal tasks its okay so im just trying to correct out the problems .. freind of mine suggested me to change the psu so im goin out for one but which one ive no idea ...... so please asnyone with bright knowledge guide me on this

 

[lowriderflow]

good build... i'd reccomend spending a little more on the power supply right now, so down the road when 770 prices drop, you can throw a second one in SLI and double your GPU output. you'd probably want to up that to 800 or 850w PSU (should only cost an extra $30 or so?)