I have the new APD with a hybrid of RPM Blast 16 at 53# and Head FXP 16 @ 55#. This set-up makes it very comfortable for me but a bit too powerful. I will be looking for a soft poly as a full-bed on my next restring. No arm pains yet and I came from a IG Radical Pro which is very flexible.
Babolat Pure Strike 100 - Dunlop Black Widow full bed
"The serve was invented so that the net could play." ~Bill Cosby