When I first got my Deus I showed it in its folded-up state to a mate who had done a bit of detecting with a Viking (the machine, not a wild-eyed raider) and he held it up with a puzzled look and asked where the rest of it was
As for which programmes to use, you'll hear plenty of recommendations, all of which have merit. My own personal fave is the Ultimate programme which I've used pretty much exclusively for the past four years, but I'd say the key is to start off with a simple programme you're happy with before branching out into full tones etc. But whatever, I hope you enjoy the machine and never be afraid to ask any of the inevitable questions the use of it will no doubt throw up.
Best of luck to you!