757s were discontinued.

http://www.flightglobal.com/news/articles/sales-drought-take...

Nope. The 757 is really inefficient (RB211 engines are serious overkill). It's unfortunate, because as an aviation enthusiast, I love nothing more than rocketing off the runway on a 757.

Production ended in 2004 -> http://en.wikipedia.org/wiki/Boeing_757