Even though I despise the skarbage, you're not going to gain much, if anything, by simply switching drivers. Your power is staying the same, enclosure the same; the only way you're going to gain anything is with efficiency, and in this application it will be negligible. I can say, that I agree with a change from a psychosis standpoint. If it's new it will be better by default. At least with our feeble brains.
I have no experience with any of the drivers you have listed either, but just by name alone, I would only pick Sundown or DD. I don't care for skar, and the others I've never heard of, DOesn't mean they are not quality drivers, but everyone and their mom is calling China and making subs nowadays.