I toyed with the idea of getting the 24-70 Mk 2, but the budget just cant go that high. I've used my Canon 24-70 a lot over the last 2 years, but I just feel that the image stabilization could be very useful. Especially for those times when f/2.8 wasnt enough and I had to go to ISO 25,000. Those two stops for the VC could bring me back down to a usable ISO in those cases. Anyone made a similar jump or have any insight?