The Leica SL2 is rumored to be announced on Tuesday, September 24th together with a new roadmap of Leica L-mount lenses. Shipping should start shortly after the official announcement. Of course, these are just rumors for now. The Leica SL is currently not available for sale at Adorama and Amazon (still in stock at B&H). The SL has also been out of stock for a while in some European countries (Switzerland for example). The new Leica SL2 is rumored to come with a 47MP sensor similar to the Leica Q2.
Panasonic just reduced the price of the S1R L-mount mirrorless camera by $700 and the S1 by $300 off:
