So, I have only been dabbling in these games, but it's my experience that PP players call significantly more (too much) and PS players fold too much. And whine when you stack them with "junk" like A9s...
I actually was getting static from a guy (on PS) for "sucking out" becuse my Kd beat his 7d when the 4-flush came on the river. And I had TPTK with AxKd before the flush.