Some 3d gripes:

Poses where, for example, the neck is rotated 25° and the head is rotated -25°. Like others above, I usually make my own poses, but occasionally I use premade ones for inspiration.

The fact that there are approximately 120,472.783 render plugins for 3DSMax, compared with the relatively few standalone or multi-application plugins. Please note that the above figure, while made-up, is most likely an understatement. Fortunately, however, things have been getting better recently.