PhotonsToPhotos published their sensor measurements for the latest Leica M10 Monochrom camera. Here are a few comparisons with other cameras, including the original Monochrom and the Typ 246 version (click for larger view):
Test results: Leica M10-P vs. Leica M10 Monochrom side-by-side ISO comparison
The new Leica M10 Monochrom camera is now available for pre-order: