I have a Canon 30D and am deciding between the 17-55 2.8 or the newer 15-85. I also have a 70-300 IS DO for zoom. I use the camera for multipurpose - traveling abroad, family get togethers, and outdoor shooting. Any advice would be appreciated!
If you do not need the low light specialty of the 17-55 2.8, I would get the 15-85 for the wider zoom range and would commplement the 70-300 IS DO.