Kernel Compilation Filesystem Configuration

I'm having trouble compiling the kernel with support for MSDOS, VFAT, and ISO9660 filesystems. I used 'make xconfig', however the check boxes to select these options are greyed out. Other filesystems such as EXT2 and NFS aren't disabled... Is there anything else I have to do to enable these file

Gnome & E

Can the gnome-desktop and enlightenment debs be installed at the same time? It looks like gnome-desktop depends on libimlib1 which conflicts with e's imlib1...why the two different libraries anyway? Would it be possible to use dpkg's --force-depends option or would this raise conflicts