Hmm, if we're just doing resort only, I'd rank them Boardwalk, CR (close second), OKW and then SSR. Boardwalk is by far my top choice for us, especially if you have an adults only trip. So many great dining options nearby in the crescent lake area. Boat access or quick walks to other nearby properties. Some evening entertainment along the boardwalk and fun to just sit and people watch. Only downside is if you care about room location. Having a boardwalk/lake view is nice but if you're a light sleeper you might mind noise along the boardwalk. It never bothered us but could be a concern.
I don't love the pools at any of these resorts but I'd say BW has the least amount of rooms at any of these 4 resorts so your pool time should be less chaotic than the others. I realize that the larger resorts have some satellite pools but for your main pool draw, I think Boardwalk or CR would be the best bet again since they're smaller properties. I would say CR is second for monorail proximity to Poly/GF for other dining choices with fun transportation. However, I don't love the incredibles retheme if you stay in the main building.
I'd list OKW as 3rd simply for liking Olivia's and the grounds are more appealing to me than that at SSR, and SSR in last place. I realize there are a lot of folks that love these two DVC resorts but they both feel more like spread out apartment complexes and neither of these themes really appeal to me.
Even without going to the parks so no need for efficient transportation options, I just like the ability and convenience at BW and CR to travel and walk to other properties. Also, I know you didn't mention Swan/Dolphin or Swan Reserve, but these are also great properties with good dining options, nice pools and usually better pricing than most disney deluxes and are all within walking/boating distance of the Boardwalk/Beach Club/Yacht Club. I've not stayed at Swan Reserve yet but it's on my list. If you have Marriott points that could be a good use of those.