The Dreambox has a built in backup facility. I can't help you with FWP as I've never used it.
CCcam is the best all round emu - if it can't open a channel (with keys) then it is doubtful that another emu will be able to. No need to edit files for normal use.
Please read the rules carefully concerning card sharing. CS is done over the Internet; if you have more than one Dreambox you can share your own card over your LAN from one box to another.
And Welcome to the forum
