People are tossing around statistics concerning viewers used, but couldn't LL see what people are logging in with and using, and maybe share that data? Give designers a look at trends over a period of time so they can make a more well informed decision to jump into mesh?
Also, I bought the mesh hybrid avitar at the skin expo from Snow Rabbit (mesh head combined with system avatar), and I have not yet had anyone IM me asking what is wrong with my head. I get complements if anything. So if people are seeing weird things, and exposed areas on the body due to not rendering mesh clothing on me, I've yet to hear about it.