In Sublime Text 2, I can enter prnfunc[tab] and then it completes to 'PrintFunction'. If I have a project, I can press Cmd+P and enter srcpy/hello.py and then it navigates to ...
Sublime's "go to anything" is a functionality that allows you to fastly go to any file or symbol inside a file by just typing a few keystrokes.
In emacs/orgmode there is something called refile. you select text, hit refile and you get a list of your outline headlines, select one and your text goes there. Can I achieve something like this in ...