I have to join the fanclub too, Rawd? That's a good one.....
Though it's funny, (women in particular) can look at the same guy and some will say he's confident, and others will say he's cocky or arrogant. A big indicator is when they spout off about how they are the only ones who can do something write and everyone else does it wrong, or everyone else is wrong. I think that boils down to the fact that an arrogant person needs to put others down in order to boost themselves up.
I've known quite a few arrogant guys in my life and to a one, they're all insecure little babies inside. I think that's the main difference between confidence and arrogance: confident people aren't insecure at all, arrogant people are.....