The Quinjet is a rock-hard, super-sonic, ground deployment people carrier for The Avengers and is vital for their survival. It is kept on the Helicarrier to use as a "jump" jet to transport them.
Owner: S.H.I.E.L.D (although Cap and Co can take it out for a spin).
Street Value: At least $270,000,000.
Method of Transportation: Flying/Hovering.
Distinguishing Feature: As revolutionary on land as in the skies. Also, vertical take-off and landing and a ton of cool weapons, including a belt-fed nose-mounted gun with state-of-the-art targeting capabilities
Coolest Gadgets: Supersonic flight and military-grade defensive sturdiness on the ground.
Based on real world tech? Inspired by military transportation tech, people carriers and spec designs on vertical take-off transportation.
How angry would the Hulk have to be to smash to bits? Irritated.