as above, would. a corsair hx 620w psu be ok for the following, evga 780i, q6600 go, 4gb 800mhz memory 2x 8800gts 512mb, 2x dvd drives and 2 120mm case fans. ill be looking towards clocking the cpu to 3.6ghz (all being well) my current psu is now 3 years old (600w enermax noisetaker) but im thinking of changing to something new and modular to avoid case clutter. all advice appreciated.