...Second, the rumors of a new 100-400mm have been going on for years and years and years and years. I do hope we'll see a 100-400mm II soon and I agree that it's quite likely. And I'll be as giddy as anyone if/when they announce. But, until they announce, it's bad advice to say "wait until the new one comes out" (on account of the track-record fact that a new one has been rumored for years prior to now). Even if they announce it soon, it will still likely be well into 2014 before it would ever make it to market. Anyone taking the advice to wait could still be waiting (and not shooting) for years to come.
I agree. I believe it was Christopher Columbus who first discovered the rumor that the 100-400 replacement was immanent and we are still waiting.

