Well, it is a personaly preference. We have stayed at PO-R twice, and really loved it...especially Alligator Bayou, building 14! The landscaping is lovely. It is very laidback...the pool is nice, the general store is huge, as is the food court.
PO-FQ is a more compact resort. The landscaping and theming here is also very well done. PO-FQ and PO-R are sister resorts, so you can use either one's amenities. PO-FQ shares a sitdown restaurant with PO-R, but it is located on the PO-R property. PO-FQ has but one pool, although guests are welcome to use any of the 5 pools on the PO-R property. The boat to DTD is located on the PO-R property, as well. Both have food courts, although, PO-R has the bigger one, as it caters to a larger room population.
If you want a smaller feeling resort, then go with PO-FQ, but if you would like to be closer to the amenities that both resorts share, then you might consider PO-R.