Another vote for PO here, but disclaimer: I've stayed at only POFQ, never at POR, although I do go over there when I'm at POFQ.
POFQ rarely shares a bus and if it does, it's not at a peak time. I stay at FQ all the time and in the last 3 years have been on a shared bus exactly once. The other pluses of FQ are (1) small footprint; (2) boat to DS; (3) beignets!; (4) bus ride to Epcot or DHS is 10 minutes long, max; (5) if you don't want to take the boat to DS, the bus ride is really fast.
Re POR: the resort is very spread out, there are multiple bus stops, and you could end up in a building with no elevator. But it's very pretty there, the walking paths are lovely, they also have the boat to DS, and they have a TS restaurant (which FQ doesn't), Once you finish with all the internal bus stops, the ride to DHS or Epcot is also only about 10 minutes.
I've stayed at the GDT at CSR, never in the other rooms, so I can speak only to that. The GDT rooms are beautiful, however, for me, I didn't care for the QS menu selections and was not amused by the multiple bus stops.