I picked up the Pedipaws a few weeks ago and I love it!!
I couldn't use it very well with the guard on so I took it off and it is so much easier for me. With the guard on the nails kept getting caught between the dremel part and the guard and the dogs hated that. Plus I couldn't seem to figure out how to maneuver it to get the nails smooth and rounded.
With the guard off I can now get the nails round and smooth so much easier and the dogs enjoy it much more this way. I just make sure no hair is in the way and haven't had any problems with it