Cacher is the code snippet organizer for pro developers

+ Ctrl + V to go into column mode
+ Select the columns and rows where you want to enter your text
+ Shift + i to go into insert mode in column mode
+ Type in the text you want to enter. Dont be discouraged by the fact that only the first row is changed.
+ Esc to apply your change (or alternately Ctrl+C)

http://pivotallabs.com/column-edit-mode-in-vi/