I agree with x-ray. While Leica will want to ensure its goods remain 'luxury' they wont commit suicide by pricing them into obscurity. The success of the M9 has allowed them the turnover to make the M10 more widely relevant. Potentially. While I am sure it will be very expensive, I would not be surprised if it is not much more, or not at all more, than the M9. I get the impression that the M9 made it clear how much potential demand there is a for a light, small RF with FF and if they make the necessary improvements and price it right, the M10 could have a more profound effect than the M9 did.
That said, lenses are increasingly absurdly priced, but perhaps thats because they have had to separate them further from Zeiss, with the latter having surely taken a big bite out of their lower end sales. The body is access to the system and, personally, I am not going to buy a used M digital that has stratospheric repair costs and I think there are other like me. New prices therefore have o be half sensible and $7K for the M9 is already testing anyone's sanity to the limit considering the use of the camera.