I don't notice a differance in flavor, but it does help hold the rub on the meat and creates a better bark in my opinion. And yes I rub, wrap in plastic wrap and let rest in the fridge overnight. Then I add a little more rub right before putting on the fire.
Roy
very neat, i've noticed this on a couple of different post around here.. this is something i'm going to try next, gotta love a good rub, and anything to help it stick on is a friend to me!
thanks for the insight!