Use it more and more. As with the dynamic cloth, we're at the watershed; nobody really did squat with transmaps in P4 until Kozaburo struck with that first incredible hair piece. After that, people started playing. Enough people have P5 that they are starting to experiment, and find out the mindset needed to use them properly (the fact that dynamic hair behaves better the -fewer- polys involved, for example, when logic would seem to dictate just the opposite).