The next update to it is currently in "Preview" status. Codenamed Vail.
WHS isn't super popular, but I still know a couple people who bought the HP Media Smart server. I had a home-built WHS system for a while, but once my free trial ran out, I moved "server" functionality to my desktop. No need for 2 people to have 5 PCs.
I think we'll see Vail-based WHS boxes catch on much faster.