Last year, I used Morgan and Mikhail a lot. It has a nice combination of both the basic science as well as practical application that helps take care of patients. I have found M&M to be a great text to have on hand in the OR. In some instances, you may want a more in-depth background when you're studying in your "spare time", and that's where Miller or Barash is more useful.
It's worth noting that if you have access to mdconsult.com, you can pull up the entire Big Miller text, thus obviating the need to spend cash on it.