http://dc.watch.impress.co.jp/docs/news/20120126_507247.html
(In Japanese, Google English Translation Here.)
The estimated street price of the new kit is at 70k Japanese Yens, which is roughly equal to $900 US Dollars.
N.B. There has been no standard zoom single lens kit but only either standard prime single lens or standard prime + zoom dual lenses kit since the Q was first marketed and for the time being. So this seems to be the right thing to do marketing wise, although it is just a bit late IMHO.