From playing against it last night, I agree with your thought to change up how Wallace' fire team operates; that Asura had way too much fun there. I can't say much about your A team, since it almost tabled me; but I did notice that it seemed to mostly be down to the twin shotgun Grey and the Wulver. The Cateran sure enjoyed his work, and was a great choice, as was the Dozer; it may be even cooler to have them dovetail closer as a sort-of unofficial "demi-fireteam." Just some thoughts.