I too shoot for a newspaper, sports, wildlife, portraits and events. I have the 17-35 2.8, 24-70 2.8, 70-200 2.8 IS, 100-400 4.5-5.6 , and the 400 2.8 IS. The work horse of the bunch is the 70-200. It lives pretty much permanently on one body and the other lenses bounce back and forth on the...