[iguessthislldo]

Most of it is commented very well. Also I like it because it has a little bit of personal character.

  > " Incrementally match the search.  I orignally hated this
  > " but someone forced me to live with it for a while and told
  > " me that I would grow to love it after getting used to it...
  > " turns out he was right :)
  > set incsearch