More rumours and details of the new Leica M are starting to appear on line. So far nothing official from Leica but the news is a thinner body, a new control wheel on the top right, which some rumours is ISO, other some type of mode or exposure compensation. They are saying only three buttons on the back, it will have live view but no movie mode.
With the Leica SL its likely that the Leica M will more away from the jack of all trades the M240 attempted and failed to be.