The new FAQ and tournament rules can be found here. Looks like the Cluster Missiles/Luke or Gunner combo just got a huge boost. I know I'll be trying it out. Here's a few words from the devs:
In addition, the Tournament Rules document has been updated for increased clarity. The language concerning match scoring has been simplified, and the rules now officially allow players to deploy their squads before the clock starts in a tournament round. The results of a draw during an elimination round are also included to erase any doubt about who is taking home the prize."