This is the second thread you've made about this topic in just over an hour
I'm pretty sure it comes out with patch 1.1, but the release date of that I am unsure of.
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Bashiok - Blizzard Representative - 08/01/2011 -"So how many skill combinations are there now? Well taking into account 6 active skills, all the rune combinations, and 3 passives we currently expect each class to have roughly 2,285,814,795,264 different build combinations."
"Hey, I thought you'd like the witty irony of grub-on-glowie violence!"