Fly out through Terminal 5 at London Heathrow only.
Best security system I have been through.
My Tony Lama boots don't ring the bells!
My belt continues to keep my pants up!
And the laptop gets to stay in the bag!
Dr 
PS: Flying Townsville to Sydley this weekend! Now I just gotta figure out how to do that through Terminal 5 and LHR !!??