i've also had good luck with the
NXT 2.0. goes on pretty easy, wipes off easy, good shine, and so far, good protection over time. has lasted about 45 days so far with still very good beading, and decent shine. i'd personally recommend it as your base with one of the mentioned nuba's over it.
on the other hand of course: hard to argue against all the positive feedback about collinite 476's durability