They're all impressive - but I think #2 might get under-appreciated - take note of the skill and steady hand involved in making what is essentially a passenger jet do something that normally you only see aerobatic planes do, and make it look easy!
Good thing the flight line gate was open on the #4 clip or that could've gotten MESSY! ^.^
And #3? Holy GOD. There's a man with Balls of Steel! O.o