I just picked up a 12M-65 and V30 and put them in my Bogner OS 2 X 12. Sounds good, but I have another M12-65 and H12-75 on order so i'll be able to try a lot of different combos.
Also cut a new open back panel to try on the cab to tune the sound even more. If I can't get the cab to sound good I'll just sell it all and quit playing!