It appears that July CTP for WCF is released on July 17 but there is no corresponding VS.NET extensions for it. Why is that? Here is the link to July CTP:
http://www.microsoft.com/downloads/details.aspx?FamilyID=62057a6f-185f-41db-abe5-678f6fc388f0&DisplayLang=en
Also why is the netfx site is not announcing the release of most recent CTPs? I stumbled on it quite accidentally...