http://ubuntuforums.org – I hope that this is in the right section; if not, I apologize. My Ubuntu/Gnome *constantly* tries to open my Kindle in Rhythmbox- even sticking an invasive "OPEN THIS WITH RHYTHMBOX PLZ? :D" bar above every folder window I have it open in (this prevents me from alt-tabbing through the tabs I have open, i.e. (Hardware)