Well do tell which ones are your favorites. We have only seen BLT and have never stayed at any of them so the info is greatly appreciated. We are 30 years old so we still have some time left...lol I do want one that expires later rather then sooner. My main thing is having one that is centrally located or has access to easy transportation. Last week I felt like we spent half of the vacation waiting on buses. Maybe renting a car is the only option?
This is completely personal preference, and my DH and I probably represent the two common views. I
LOVE, LOVE, LOVE the peace and quiet of OKW and SSR. They are more "condo style" resorts. DH prefers being in the mix of things, and likes the "hotel style" resorts.
If I had to rank order his, I'd say his favorites are as follows:
1) BWV
2) BCV
3) VWL
4) SSR
5) AKV
6) OKW
He loved AKV, and I think it would have made #1 had it been in a different location. He's all about hotel feel and location, so he felt it was too far out of the way of everything. I think we're the only family in the world that didn't care for Boma either,

so he felt like he even had to travel to eat. Since we haven't stayed at BLT yet, I'm going to say it will slide in between VWL and SSR for him.
As for me, I have a really hard time ranking. Each resort gives me a different vacation experience, and keeps Disney fresh for me. Since you asked, I'll give it my best shot!
1) OKW is definitely #1. I just feel complete peace when I'm there.
2) SRR is so close to being #1, that it may switch tomorrow!
3) BCV comes in at #3,
much to my surprise. I purposely waited to make a reservation there, thinking I wouldn't like it.
LOVED it and just recently posted on the BCV lovers thread why.
4) VWL - Still, to this day, it takes my breath away when I walk into the lobby.
5) BWV - Holds a very special place in my heart. Was the first place we stayed as DVC member. I know some people don't like the clown at the pool, but the clown is cool!

6) AKV - I'll go with DH on this one. Really, really loved it, but it did seem out of the way. I do have to say, though, we stayed right before Kidani opened, and the bus service was amazing. Probably the best we've had at any Disney resort. We're definitely getting the itch to go back and see the animals again, though, and I loved the decor!

I didn't rank BLT, but if I had to guess, I'd probably place it at #7. VERY unfair since I haven't stayed there, but as well as I liked VWL, I would rather stay there (I think). Time will tell, as it's next on our list!
Again, personal preference, and as you can see, even my hubby and I don't agree. Fortunately, we both like to hop, so we don't have to worry about it! When I call to make reservations, we discuss our top 3 picks for that vacation. If #1 is not available, we move to #2. We're never disappointed, and our top 3 picks change each vacation. Planning is 1/2 the fun!