Early 2vs2 Strategy

i think the person with rockets get the shotgun on ascension and sit crouched at the foot of the small tower ... then when they come around the corner to kill the sniper they will get a shell in the head .... i have goten alot of my kills doing that at ascension b/c its a place where alot of ppl go.
for ivory .... i think a good place would be the ramp with the overshield ... i have seen a team hold that ramp the whole game... and the rockets are just around the corner ... and with the sniper having a shotgun or sword for the short range fighting ..it would be difficult to take that area...
i also think that warlock will be a 2 vs 2 map ... the only thing i can say about that is get both shotguns and sit under the center platform where the handguns are and just wait till they come through and blast the hell out of them!!!!!