i had the same question. After some very helpfull posts from other fourm members I went with the 24-105L and the 100-400L. This works best as the walk around lens is lighter. I have recently added the the 11 - 24 f4.
I am also considering the 28-300 for a 5D III that I will be purchaisng. I have driven my self crazy comparing lenes and considering the draw backs to having a super zoom. I have a 7D that I can use with a TC and 70-300 IS USM lens for reach. Any ...
