CrazedDisFan, you should also consider several other factors in deciding which resort is best for you and your family.
Do you want the luxury condominium feel (OKW) or the feel of a luxury hotel (BCV/BWV) ? The VWL I feel is somewhat in-between because the actual villas are a separate building connected by covered walkway to the Wilderenss Lodge, whereas the Beach Club and Boardwalk villas are in the same "building".
How much does location matter to you ? If being able to walk to Epcot or the Studios is important, then BWV or BCV. I'm really of mixed opinion as far as VWL and the Magic Kingdom - the boat access to the MK is very relaxing and convenient, but I found the bus service to be lacking. VWL shares it bus service with the other MK deluxe resorts which means there are often several other stops besides yours. In addition, the one time we had to use the bus during an e-ride night it took almost an hour to get to the park, and 1.5 hours to return. Why ? - because during that time it shares it't transportation with Fort Wilderness via the ticket and transportation center. Our return route was MK (medium wait) --> TTC (long wait) --> Fort Wilderness (multiple stops) --> Wilderness Lodge.
Size - OKW 1-br and above is the winner, hands down. VWL, BCV, and BWV 1 br. and above are pretty much the same size as each other, but somewhat smaller than OKW. Again, luxury hotel feel vs. luxury community feel.
There is no bad choice. We have stayed at 3 of the 4 so far [OKW, VWL, BWV] and have enjoyed our stays in all of them. Next summer we will add BCV to the list. We prefer OKW, it just seems to "fit" us better, but any DVC choice is usually more pleasant than most of the non-DVC options.