I swap. I used to bring several carving boards and would swap from a Donek Rev 185 to a Proteus 170 to a Coiler AMT to something else. Although it did seem to have a positive impact, the mental conditioning of seeking the perfect ride/turn/feel with minicule changes was detrimental to my experience on the mountain. I've been getting into bringing only two, maybe three boards, one wide-ish carving board for the groomers a burly free-ride board like a Steepwater for the rest of the mountain, and a powder board if there is fresh snow in the forecast. I change only for the conditions.
So, are all those boards roughly the same in feel? Maybe just bring one carve board, and the 3800, or a twin and softies to play with switch riding.