I currently use a BlackBerry 8820. I am in the process of integrating REXwireless software (To-DoMatrix) with my newfound GTD processes. I read in one of the web pages here that REXwireless has a free paper on using GTD with their software. Needless to say, thats my next stop after my visit to this site. I appreciate all your replies and means found for mobile devices and GTD.