jeekl

For most situations, spoofing a sent-screen that usually displays the vendor or persons name, is not too easy to do in the heat of the moment, without preparation, so it's not really been a problem yet.

Yes it can. Add something like this to your zsh config:

  zstyle ':completion:*:manuals'    separate-sections true
  zstyle ':completion:*:manuals.*'  insert-sections   true
  zstyle ':completion:*:man:*'      menu yes select

Try speedbar or sr-speedbar: http://www.emacswiki.org/emacs/SrSpeedbar

Shutter (http://shutter-project.org/) should probably be your cup of tea, if you like Snagit.