Andrew price of BlenderGuru with a post on the 4 most awesome features of the latest merge for Blender, where alpha features were merged into the trunk of Blender including the Cycles rendering engine, the Camera Tracking stuff, Dynamic Paint, and the Blender Ocean Simulator. Andrew also shows how to get all these features in Blender with a short tutorial. Check out the article for 4 New Blender Features That Will Blow You Away here.