This ROM looks promising so I tried installing it.
I had Hashcode's CM 10.2 installed, with TWRP 126.96.36.199
Using the same TWRP 188.8.131.52 I first wiped system, cache, data, Dalvik and then selected the " cm-...sgt7.zip". After a few seconds...
Well, I managed to wipe the ROM files from the Kindle's internal SD. Stupid, as the driver wasn't recognized anymore.
So again reinstalled the driver (after several win7 reboots).
Got adb working and pushed the files to /sdcard/ (first I push...