Well, Good Guy +Roman Nurik has created an extensible app that is all kinds of awesome. I've been trying it for a couple of months in the purely Wiki Paintings mode and loving it. Then to see the 500px, /r/earthporn, Instagram, album art and various other extensions come out within a week of the public release is great to see!
Go to Dr. Lee!
Fast, convenient, and friendly! The exam is very thorough and they explain what you can do to improve on your own. (I need to floss behind my bottom teeth :) ) I'm actually looking forward to my 6 month visit!