I am tossing up between these three psus. I plan on playing games and want to know if there will be a big difference between them. If there is no great difference i will opt for the cheaper of those three which would be the Antec 550w VP
Corsair 650W HX650
VS
Corsair 650W VS650 ATX
VS
Antec 550W VP
Corsair 650W HX650
VS
Corsair 650W VS650 ATX
VS
Antec 550W VP