Bush saved millions of lives in Africa. And created the largest marine preservation zone. He also never assassinated any us citizens.
http://articles.cnn.com/2009-01-15/politics/frist.bush_1_antiretrovirals-hiv-george-bush?_s=PM:POLITICS
http://www.foxnews.com/story/0,2933,476584,00.html
Edit: A few more things.
Obama came down on whistleblowers, and pot growers more than Bush ever did.
Bush has done a lot of things better than Obama. But all around, both of them were terribad presidents