PhotonsToPhotos added test data for the Leica M10 camera ($6,595) to their website and you can now compare the dynamic range vs. ISO setting between different camera models and manufacturers on this page. Here are a few screenshots – the M10 is the top performer from all full frame Leica cameras except the Monochrom (click for larger view):
Leica M10 vs. Leica Q Typ 240: