This is good news. I'm still looking forward to more reviews, especially including Bryan's, but everything continues to point to this being a lens to get excited about. I'm absolutely thinking of selling my 24 - 105 and getting one of these in its place. A stop faster, plus IS? And optics better than the 24-70 I?
I'm not ready to pull the trigger, and I'm not in a hurry to do so, but I'm absolutely hoping for the best.
Not to tie this in with the "light leak" silliness...but EV -1, where the "problem" starts to manifest itself, is f/2.8 @ 1/2 second @ ISO 3200...and that'd probably be hand-holdable with this new lens at the wide end. Unbelievable...we're almost talking handheld astrophotography....