I was weary of Poser's spline interpolations causing every which unwanted movements. Poser even causes 2 zero value keyframes in 1st & last frames to go in a big loop in between. There are too many dials for each body limb to hunt around for wary splineinterp's. I was spending 80% of my time fixing undesired movements that were not actual in-betweeners of my keyframes. If you have time to throw away doing animation..... But, if your serious about animating, you need all the time saving tools money can buy. Animation takes so much time, a good tool can mean the diff between frustration & finishing the project. Pack