I am not all that impressed. I think AW2 is a big deal for those without an AW, while it isn't that big of a deal to those with AW1. Don't get me wrong, waterproofing is cool, gps is cool, but it would have been a lot cooler with cellular, so one can really leave their phone at home. It seems like the features are mainly set for athletic people, instead of techie/watch people.
But, hey that is my opinion. I will be waiting until AW3 (if it has cellular), while continuing to use my AW1.