TBH, when I first started playing ArMa... after 20 minutes my first instinct was to go searching for a 'god mode' trainer etc (didn't find any... Thank God!! (no pun))
Now after a few days/weeks playing, I would never use a cheat on this beauty of a game! - makes it pointless..
Quote from Michel Rogmani - "To cheat on near perfection is to cheat on rice paddies"