For those who haven't already seen these clips, here are two demonstrating the 757's STOL capabilities, and one just showing off at an airshow. The first clip was filmed at Madeira, and using Google Earth's ruler function the main gear left the runway in 740mtrs...
https://www.youtube.com/watch?v=BVeC5bVBcic
https://www.youtube.com/watch?v=LEoDW6t0SWE
https://www.youtube.com/watch?v=Uiv6UvYnf3s
Oh, and don't forget how well they continue to climb with one engine out...
https://www.youtube.com/watch?v=9KhZwsYtNDE