we own at both, but greatly prefer the .BWVs.
your girls might like the pool, if its warm enough to swim (note that my kids, as well as our nephews did not like BCVs as much as BWVs. i think part of their dislike was b/c they are all excellent swimmers, & SAB is oft too crowded to swim in...a prob you might not even encounter if the weather is cool).
the bw has evening entertainment (street performers, carny games, etc.), community hall (video games, ping pong, books, bike rentals, etc), surrey bikes to rent, etc
since you are renting, i would try a different resort simply b/c it makes a vacation different. maybe the following years, try vak, blt, etc
we used to book a different resort every trip (have stayed at all the mods, deluxes & dvcs) until we found our favorite....it's a lot of fun that way.
enjoy!