Vi cheatsheets

http://www.glump.net/_media/howto/vi-vim-cheat-sheet-and-tutorial.pdf
http://www.math.ntu.edu.tw/~wwang/mtxcomp2010/cssd2011/download/vi_cheat%20sheet.pdf
http://fidelio.cacs.louisiana.edu/250/linuxunix/vi-cheat.pdf
http://www.laeff.cab.inta-csic.es/Laeff/seminfo/mcaballe/vi_cheatsheets.pdf
http://media.smashingmagazine.com/wp-content/uploads/2010/05/VI-Help-Sheet-01-large2.jpg
http://www.digilife.be/quickreferences/QRC/vi%20Quick%20Reference.pdf