This has been the speculation for some time, but here Alon Wolf states that the M Series will be replacing the Q Series. This is the first official mention of this that I have seen or read. He goes on to say that the carbon sides are different from those in the M Project speaker, the tweeter is more efficient. Finally, he describes new details about how the MPods work. It is an interesting video:
https://www.youtube.com/watch?v=ZshMXaCm7_0
As an interesting aside, note the Transparent speaker cables in the system.
https://www.youtube.com/watch?v=ZshMXaCm7_0
As an interesting aside, note the Transparent speaker cables in the system.