Dan, I would have to say the learning curve is not that bad, just depends on an individuals computer illiteracy, but to be some what proficient takes time and work for the modeling side, drawing, cam, v-carving etc very straight forward quick and easy.
Has some of the top all round features of any package, guess I'm a little bias, there is a fews things I would prefer in the software but no limitations on my behalf. And yes you can output for an indexer