1. Combat mechanics is not even implemented fully.
2. After we will implement it fully, we will debug it and tweak animations.
3. After we will debug and tweak animations, we will tune balance.
We're on the step #1 now. Cmon, stop judging that early.
There is a "kick" - it is called "pounce" and only available to 2H weapons wielders and designed to be effective vs shield blockers.
None of you had used combo system. Mainly because there is not enough skill to unlock it for normal players and because Mihey is not very friendly with combat
As about movement speed:
1. They were fighting on the road - it provides 10% (not sure exactly) speed bonus.
2. Expect to be slower in a more heavy armor. Right now there were no armor on any of them.