Mistwell
Crusty Old Meatwad
1) Run Theater of the Mind, rather than using miniatures and a grid. IME, players who have a grid are more likely to want to nit-pick "optimal" moves, which are seldom much better than the obvious plays.
This, more than anything else, will speed up your game. It does take a session or two to get used to doing it. But, if you can spend that time, it will dramatically speed up your game.