Well, maps which are represented in the game don't have fords. But there is a possibility to make fords by editing landscape. There is a huge possibility that soon you’ll see some new maps or map with fords.
Some answers:
1) HMGs have limited ammo. Every weapon has limited ammo according to historical data.
2) Speaking about armor, bottom and top of the hull have proper armament as it was on real tanks, the same with turret and every part of the tank.
maaaan! I'm out of my fingers! I want to tell you about our MP, but I'm afraid i can't! %((
I think, I do not have such rights! %((
There were so many changes in MP for the last few weeks. It is now completly different!!!