Zeiss promises Rangefinder fans a ZM special surprise at Photokina

The Zeiss Photokina blog-post is a gift that keeps on giving. In paragraph #5, Zeiss reveals...

... For fans of the Carl Zeiss family of ZM systems for rangefinder cameras, Carl Zeiss has a special surprise in store. In 2013, at least one fast lens with M bayonet will go on sale. Using lenses from the ZM series with adapters is also very popular on mirrorless system cameras. ...

Not sure if the "special surprise" is the 2013 lens mentioned in the second sentence above, or the special surprise is something different. Time will tell!