Help need overclocking the 550 black unlocked on a dka790gx

[freshfresh]

I just stripped down my old Q8200 build and went back to amd tring to set a nice oc on this chip. this mother board is quite different than my K9a2 platinum ver.1.

specs
DKA790GX non platinum
550 be unlocked
I have a choice of ram i can put in
I have corsair xms 2 1066 5-6-6-18 2x2 gig kit or I can run my crucial balistix1066 1x2 gig kit 5-5-5-15
Diamond Radeon 4870 OC edition on crossfire
Corsair Hydro Series H50
CORSAIR CMPSU-750TX 750W
Highpoint raid controller 2640x1 raid 0 on 2 Fujitsu sas 73gig drives
2 samsung 750 for storage
Zalman gs 1000

I have found very little on this board in on line just reviews. any help will be welcomed