hi I am right now on Windows 7 alongwith a newly bought Dell Laptop .I want to install Linux too . I have been using Ubuntu 10.10 before . now I want to try a different flavour in Linux which has a good audio/video options & is security enhanced . Right now I have the following distributions : Ubuntu 10.10 OpenSuse 11.0 Fedora 13 . among the three mentioned above which might be the best to learn out things n get more close to linux .I am a student & eager to learn a lot of new things .... so which of the above would be the best for me ?