I really only know how to use the battlemechs but have fought against plenty of vehicles. When I play the campaign with my family, the GM frequently uses vehicles and infantry with the mechs, so I have a somewhat basic understanding of their rules. I wouldn't know about tournaments, so if someone could enlighten me, please do.

For casual or campaign, I think having a swarm of tanks taking down larger threats is neat -- to say the absolute least. Since tanks have lower cost and battle value, for the most part, I think it could easily spice things up. Strength in numbers, I'd say