I Am Legend Alternative Ending

Someone at work sent this to me today and I am trying to figure out which ending I like more, the theatrical ending or the original ending. So I thought I would post the original ending and see if my esteemed readers had an opinion.

http://www.firstshowing.net/2008/03/05/must-watch-i-am-legends-original-ending-this-is-amazing/

Click the link, also read what the author has to say regarding this ending, I find his thoughts interesting.