We were almost exclusively at CR after our first few trips. We began going in 1994, almost yearly, and then bought in to DVC in 2009 because BLT was being built and the CR location was our favorite.
We tried a few other options a few times, and once there, we didn't like it and upgraded on the spot to CR...once had to go to Poly because CR was full. The drawback of that strategy is that you lose your discounts when you do that.
Now, 13 1/2 years later, things have changed and while we still enjoy BLT, RIV has taken top spot with VGF second and why split stays at those two places happen every trip...of course, Poly tower may end up being something we buy so that we can alternate with VGF...but, we shall see once its built!!!