Thought this might interest some.... Flightradar24.com - Live flight tracker! See whats flying over your house right now
i only have to look out my window....i saw a vulcan and a few tornados the other day, along with spitfires and hurricanes...but then i do live right next to iwm duxford
To bring the boring bang up to date try Plane Finder AR for the iPhone, if you like the website above that is.