Sunny Kharbanda is an animation student. See how he evolved over a period of only 4 weeks with his own Animation Personal Trainer (APT), Keith Lango. The poses, arcs, timing and spacing in the student work featured is animation whoopass. Hope it inspires you. Oh, and he used MooM, a generic rig from the interweb. This shows that rigs aren't a limitation to animation. No matter how much you want to blame them.