Ming Thein published his review of the Leica M type 240 rangefinder which includes many sample images - definitely worth reading/seeing if you are considering purchasing the camera. A quote from the review:
"In that respect, the M 240 delivers on a level that’s at least one, if not two, complete generations ahead of the M9; it finally feels like the M system has come of maturity into the digital age. Unlike the earlier digital Ms, the camera no longer feels like the limiting factor– barring startup delays – it really does feel like the time when Nikon went full frame all over again.
I am as impressed with the image quality as I am with how much difference all of the little changes make towards overall usability. Yes, there are still things to be improved – ergonomics (that damn right strap lug!), microphone placement, EVF behaviour, colour – but for the most part, the M 240 shows Leica are firmly back in the game."
Update - Jonathan Slack also published his review of the Leica M:
"I think it’s a total success. The M8 and M9 were excellent cameras - with much to love and excellent Image Quality. The new M is a joy - the ergonomics are subtly improved, the general responsiveness and speed is a real revelation. Of course, it isn’t perfect, (which camera is?), but if you want to catch decisive moments with lovely lenses and a delightful camera then, for me, for now, this is it."