Moriturii
Well-known
Sorry but I have to disagree. Those websites can be a good guide but the is no (pardon the pun) black and white in this area. I doubt Leica would go this route if what you're saying is true. At the end of the day, until a legitimate comparison review is made or I test myself, such assumptions, and it is 'assumptions' are purely that - assumptions.
Although a new reviewer, Ming Thein would be the best reviewer/photographer on the internet. i believe what he says 100%. Why else would Leica entrust him to be the very first? http://blog.mingthein.com/2012/05/23/leica-m-monochrom/
You've been drinking quite heavily from that Leica cool-aid. You sounds like one of those punters that thinks that whatever Leica does is flawless and genius.
It's quite simple and clear cut. The M Monochrome has a 2009 CCD sensor with no bayern filter. They are re-branding an M9 to make more money, end of story.