I just got that and would be lying if i said it was not fun doing that.
its fun yes, but would sort of detract from everything else if you were booting people off a mountainsides instead of attacking them with your sword or using magic.
DM is a fun game because you can boot, and lets face it, the highlight of that game is the fun combat and the fun combat alone. Its a completely linear action RPG.
I was certainly hoping that kicking would be an option if hand to hand was a skill, but its not. If it were then I'd totally want to kick people in the face and watch them roll down a hill