My M8 came back from Leica NJ two months ago WORSE than it was before it went out......I'm really disappointed in their repairs, (they turned around the camera in 8 DAYS! which was just great, but the camera is more a mess now than before) - they state a replaced sensor and 2.005 upgrade, the hot pixels all over the screen (more than 10) and all over the photos (worse condition then it was before) also sensor is disgusting, (full of dirt) nothing over f5.6 is usable without massive post production.
The camera starts up slower and writing seems to drag on longer than before, while under the 2.004 it worked way better and I didn't have as many problems as I have now.
Sudden death has happened now at least 6 times, I must wait a few minutes and then replace battery and the camera comes back, and this happens on a full charged brand new factory battery.
Nasty big wide greenish and blue lines across the photos as well.....
Sounds a mess, I can still take photos with it, but I'm really sad that a camera that cost so much new can have so many problems, I have lot's of warranty time left, the camera goes back to NJ on Jan 2nd and I want it sent BACK TO GERMANY, the repairs at the NJ werks don't cut it.....the personnel there are very nice and polite, but my issues are now doubled if not tripled, kinda sucks, but I'm going to wear them out and the warranty too, the factory should also pay for the postage back and forth - I'm going to complain about that as well.......
My advice is to stay away from M8's with the #3101XXX serial range, while this one once with some problems has even more now, I'm lucky I have a extended warranty on the camera and don't have to pay a cent for repairs, I'm totally not set on investing in a M9, if the modern Leica's all have issues this bad, I'll stick with shooting with my LTM's and go back to shooting film full-time and buy a 4/3's camera for fast digital work, the digital M Leica has been a sweet n' sour experience for me, with more sour then often 🙁
Tom