Polynesian is beautiful! My absolute favorite hotel is the Animal Kingdom Lodge/Villas. So pretty! The theming is so much fun; I can stay in the hotel all day and not be bored. Only thing with AKL was the transportation. It's a 5 minute ride to Animal Kingdom but longer to everywhere else. We're big World Showcase people, so it's nice to stay at the Epcot hotels and be able to walk straight to WS. Anywhere else, we have to take a bus to Epcot, then walk all the way to the WS.
I also love the Beach Club. Great location but kind of quiet. Less than 5 minute walk to Epcot and the Boardwalk, and a 10-15 minute walk to DHS. You can also take the ferry. The pool at BC is by far the best part! Stormalong Bay is huge and there's so much stuff to do/activities going on.