I also have been following this thread with a great interest. Regardless of knowing the exact numbers up to 4th decimal place for gain, QE, dynamic range etc, it appears that amateur astrophotographers have indeed a bright future, not only in terms of light pollution, but also in terms of having access to relatively inexpensive and very capable astro-cameras.
If I did not have my current camera, I would be all over this one. But it is good to know that when the day will come that my camera will retire, I will be possibly able to afford a replacement camera that hopefully will have better parameters at a lower cost :-)
I think it is not long before other manufacturers such as Atik, SX and QSI, just to name a few, will also be offering CMOS cameras.
Now, if I only could 3D print an AP mount...
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