X11 is the server on which your graphical apps run. If you have KDE or GNOME installed, then you also already have X11 installed; specifically, since you use FC2, you most likely have an X11 server from x.org - the packages will be called xorg-*
Take a look at the tuxmobil site for more info on touchpads!
http://tuxmobil.org/
HTH,
Samsara