Will be great to see a CMOS sensor handle luminance like a CCD sensor chaps - but I wouldn't hold my breath.
The new M is about more megapixels and better this that and the other thing - as well as native use of M glass. It won't compete with CCD sensor tech as far as luminance pop goes. It will kill CCD in many other important areas.
Have fun with it you lucky early 'getters'.