I go to WDW 4-5 times a year and have pretty much settled on the moderates as my resorts of choice. I have stayed at all four more than once. CSR and POFQ are my two favorites and in fact I just got back from CSR last week, will be at POFQ in Feb, CSR in May, and back at POFQ in Sept and Oct/Nov. The only reason I'm not at CSR for the Sept/Oct trip is that it was not available under the bounceback for those dates (unless I went with a King room). Saying all of that, I have been at CSR in Sept. Oct, Dec, and May. I have been at POFQ in Sept, Dec, Jan, and May. Consistently we've gotten better bus service at CSR. Each resort has it's own pros and cons.
CSR has better bus service, better food court at night (as of Dec 4th breakfast and lunch are now CS buffets at the Pepper Market--great deal if you are on the
DDP), plus they have Cafe Rix (so really two CS) a TS restaraunt, nicer pool, longer pool slide, biggest hot tub on property, three quiet pools, a lounge that is adult only after certain hours, a health club/beauty salon, a much better kids playground area, and more comfortable beds. (I have stayed at both resorts within the last year since the refurbishments). We also love the white beaches and hammocks in the Cabanas and the lovely fountains in the Casitas. Because it is so spread out, it does not feel as crowded as POFQ. It's a very relaxing resort.
POFQ is so small no room is very far from anything and we love the boat to DTD. However, they do not have a TS restaurant. They don't have any quiet pools, but because they are sister resorts you can use all the pools at PORS. We also love Elliot Dyson's show in the lounge. Being from the south, we love the nice southern atmosphere around POFQ and PORS. Of course CSR has a nice southwest feel that we like too.
I love both resorts and among the moderates I'd have to say CSR and POFQ are pretty much tied for first place in my affections, with CSR getting the edge by just a tad. For over $300.00 difference it'd be a no brainer for me to go with CSR though.