You will get many different asnwers about what is good antivirus, ask people what the best brand of car is!
Norton is adaquete, not my first choice, but like i said everyone will tell you different.
If you are paying for it, then just get Norton Internet Security, 360 tries to bundle in lowsey pc maintence programs for a premium cost.
As far as the combo with m.b. pro, yes that is fine.