First and most importantly, Warhams *is* a thing.
Time is really my biggest concern. There will be a greater amount of time going over and explaining rules, even in basic games. 2.5 hours will be needed per game I think in our first event. That said, there were still players at the end of 5e who struggled with basic concepts and played slow. (I'm looking at you, Benjamin. Wait a second, that's me I'm talking about. Oh nice, you're typing out loud too.) So we move forward and hope everyone can catch up.
The terrain/fortification issue is problematic. Letting tournament players place their own terrain could be in certain situations... a challenging proposition.
Page 8 from the BRB is my go-to from now until, well, forever.
Above all, it's important to remember that the rules are just the framework to support an enjoyable game... Your job isn't just to follow the rules, it's to add your own ideas, drama and creativity to the game. Much of this appeal of this game lies in the freedom and open-endedness that this allows; it is in this spirit that the rules have been written.
Many people here are asking for a bigger game under 2000 and that's quite reasonable. We have lots of options, and I'm sure BG will eventually cover them all.
Someone mentioned Doubles tournaments... oof. That's a headache already.
What does everyone think of the Warlord upgrades so far?