I usually lament that the MidWest has a dearth of technology conferences (that aren't directly associated with automotive at least). However, I was very surprised to find out that just several miles away, next week there is the Mobile Location Enabled Services conference.
The agenda looks really good, covering topics such as mobile-social networks (mososo), user-centric mobile navigation, and the legal and monetization aspects of LBS. Speakers are from Symbian, Loopt, Cingular, uLocate, and a lot more.
So, sounds like a good warm-up to Where2.0 and also maybe bang on some carriers/providers and their lack of opening up their API's to LBS developers. (unlike Sprint, which is ahead of the learning curve so far)