I have an 01 Dodge Ram 2500 Diesel and was wondering the same. We are originally from CT and travel back and forth a couple of times each year.
Check out
Official Kelley Blue Book Values You Can Trust From kbb.com - Kelley Blue Book (Kelly Blue Book) and compare zipcodes to see if your truck is worth more in PA or FLA and then decide.
We registered our truck in Florida and the Reg and new FLA Title cost approx $250 total.