Its not bad... you are overkill on the power supply, a 500W would run it no issues, and even a gpu upgrade would still be okay, but its not super kill at 650W.
I don't know about ram, so thats someone elses area.
Far--> The board is a 4280 onboard
Foldie = i7 950@ 4.0Ghz Gigabyte x58a-ud3r EVGA 970 SC Corsair H100 Corsair hx520 3x2gb OCZ Gold Corsair 650D
Woohoo = L5639 @3.1Ghz EVGA SR-2 gtx 260-216 Hyper 212+ Corsair 1050hx 6x2gb Corsair XMS3 Blackhawk Ulra
Alienware 18 - SLI 770M 4700mq 16Gig