I wrote a color scheme/plugin to do something similar a while back (I think it's darkroom.vim on vim.org). Never really developed it fully. Ratings indicate peo

I wrote a color scheme/plugin to do something similar a while back (I think it's darkroom.vim on vim.org). Never really developed it fully. Ratings indicate people were underwhelmed :) Looks like this guy may have given the idea a much better treatment.