According to latest rumors canon will merge the current 60D and 7D camera into ONE 70D, just like few days ago Canon have merged the 1d and 1ds series to the 1D X, So the upcoming 70D will have professional features and rugged construction just as 7D.
The 7D series will be upgraded with a Full-Frame sensor, canon is preparing to introduce its new affordable series of full-frame camera for entry level Full Frame users. same as Nikon D600?
Canon 70D expected arrival date is Sep 2012, we have no info about the 7D Mk II announcement date.
via – CanonWatch