I bought an M 262 earlier this year, having found one at a good price second hand and only a few months old. This is my first digital Leica.
It is an ok camera that does what it claims to do, and which is very close to my M7 in functionality and handling.
In handling, the M 262 is very similar to the M7. It is slightly lighter and thicker, but similar enough that I still occasionally find myself trying to find the film advance lever. The build quality is better than the M7, with a much sturdier tripod mount - although the lower density, hollow shutter sound and rear LCD makes it feel a bit cheap. It is too early to tell if the rangefinder is better sealed against dust. The shutter can run two stops faster, which is useful if you want to use faster lenses wide open, and the options for auto ISO and easy control of exposure compensation are good.
The viewfinder is excellent - much brighter and clearer than my M7 (which being 14 years old probably could use a service).
Image quality is excellent up to ISO 800, where it easily beats my 5D III for dynamic range and sharpness. However, from ISO 1600 and up the performance rapidly falls off - so much so that I do not really consider ISO 6400 as usable. The sensor is also very prone to dust and currently needs cleaning with a blower every few days (we have a lot of clear blue skies here). In contrast, the 5DIII has only ever needed manual cleaning once in four years...
Overall, the 262 is largely what I expected. The downside is that my expectations for digital are much higher and there are a lot of poor design decisions (no long exposures, no auto sensor cleaning, the stupid baseplate which makes card and battery access impossible on a tripod, the omission of any option for live-view).
I am still unclear whether or not I will keep my it, or whether I will eventually trade it for a second M7 body. For me, the M 262s main role is for colour photography, but half of the time that I use it I am pineing for a good black and white film, and the nicer feel and sound of an older film M...