Curiosity has landed on Mars earlier this morning! While NASA's team makes it look easy, this was anything but. Listening to the post landing data, lateral speed, vertical speed, angle between rover vertical and Mars gravity vector, the landing was amazingly precise and gentle. If I heard it right the jetpack/skycrane had just a little more than a kilogram of fuel left before flyaway! Congratulations to all who contributed!
Edit: correction, upon re-watching the footage the fuel mass before skycrane flyaway was slightly more than 140 kilograms.