So i have a system (1st build) that i built up as a bit of a learning curve. Now when i play most games its all fine and dandy but i am having problems playing COD: Black Ops. It plays but can be a bit jumpy at time, i have recently added a GPU and now i have noticed my boot screen mention system has detected power surges. If i upgrade my PSU (will do this anyway) will i find my gaming problem may disappear? System specs AMD Athlon II x2 250 3.0Ghz ASUS M4N68LE-M V2 4GB DDR3 1333Mhz (2x2Gb) SSD OCZ Vertex 30gb (just been RMA'd so on the HDD now) HDD Samsung F3 Spinpoint 1Tb Sapphire Radeon 6750 512mb Cheap Case and PSU (Dabs Best Buy - Before i knew the importance of a decent PSU) So really my question is can anyone explain PSU to me and what to think about when distinguishing between them? Any recommendations, and why? And on the back of this is it likely to solve my gaming problem?