Hi Lazer,
yeah I thought of posting it there first, but as my problem only started after the Kindle update I think that it's on the Kindle end the problem sits not the Calibre.
I've had WiFi off since I bought it but turned it on when trying out the web browser the other week and apparently Amazon auto pushes updates without the chance for the user to decline... I was not aware of that... Well I know now...
Thing is that I've had my KT for a couple of months now and I love it! Had an generic e-book reader without E-ink before this, but I really feel that once you go E-ink you don't go back. As of the KT specifically, well I like touch