That all orange (or is it red?) A1100 is the tastiest aviator I've seen in a long time
Whilst the 4000 looks like it's got the flashy 3000M style makeover, which I think looks superb, and was precisely the reason I impulse purchased my 3000M the first time I saw it! Can't help being attracted to bright colours :/
However for features I'd have to agree with Luw on this, because once you use a smart access enabled watch everything else suddenly seems inferior!