I've been having a bit of gear itch recently, so I decided to check out the new 24-70 II which my local rental place started carrying recently. I rented one for the weekend and ran it through a gamut of comparison tests with my existing 24-105 IS lens. If you're interested in the details, you can find them here on POTN. The bottom line for me, was that I didn't find it an upgrade in any useful way. So I won't be buying one. On one hand, I'm happy my 24-105 is a great performer for my kind of photography, on the other hand, I'm a bit disappointed that one of Canons latest and greatest offerings just isn't all that great (at least for me). I'm interested in hearing from others who've looked at both lenses... What are your thoughts? Anyone here have the 24-70 II and have a different experience?