I think the glow in the dark one would be good, but I really don't think that the see-through one would be because you would see all the insides of the V3 and it wouldn't look very nice. :furawatchi:
I couldnt decide between heat sensitive and soft shell(jelly like) i think they should do them both at the same time...that way you could see cour fingerprint and it would have changed color!!!!!!!!!!!!!!!!!!!