The UV inks are an exciting development. UV-cure technology seems like near-magic to me.
The best UV cured product I have seen is the lacquer finishes for guitars. Traditionally, they would be sprayed then left for several weeks before final finishing. Now they can be worked on less than an hour after application.
"People who say things won't work are a dime a dozen. People who figure out how to make things work are worth a fortune" - Dave Rat.