I could not hold out any longer. Ebay cashback via live.com fell from 13% to 11% today so I pulled the trigger before it falls more. It saved me $180 on the lens. I can't wait to get my hands on this lens. I have wanted it for a year now. I have the F4 version and really enjoy it for outside photography. It's light and super sharp. I want the 2.8 for the speed since I am doing a Wedding next month and that means no flash. Anyway. Just happy about the purchase and thought I would share the story.