I always thought I liked the front kick until I tried using it in a sparring match. It's way too slow, and easily counterable (assuming you mean a thrust kick). Plus, it generally doesn't hurt your opponent...it winds up being more of a push than an actual strike. I actually love the spinning back kick, and I'll use it every now and then. Very rarely does it land, but it usually throws my opponent off his game because you really dont see them too often. And the few times it has landed, they definately felt it.