See: http://digicame-info.com/2010/08/k-5k-r-1.html
(in Japanese, a better machine-translated English page here)
It is mentioned that the information provider is "Mr. Red", who correctly gave the blog author accurate information about the NEX before the official announcement. And that the name of K-R is given in capital letter for the R, not a small one (which might be a typo anyway).
So, now we would have two new Pentax DSLRs, as previously rumoured about two weeks ago.