I have M92, so i don't have experience with front-light either.
Most people consider it a good feature, which is useful in low light conditions.
Also i have heard that screen clarity decreases by a tiny bit due to the light distribution layer, but it shouldn't make much difference.
This Generation models have Linux and are tailored for pdf files specifically. Pdf handling is exceptionally good.
Android will have its own advantage - a lot for me, Specifically the No-Refresh mode.
http://www.the-digital-reader.com/20...r-at-computex/
Check review of a Russian basic model here, it is without touch or WiFi:
http://www.the-ebook.org/?p=18124#more-18124
They are coming in September. But we cannot be 100% sure.