Some friends of mine are running a pretty serious developer conference for the North Central area of the Midwest:

2 Days
..2 Technology Keynotes
..16 90-Minute Breakout Sessions
..Top Conference Presenters
..500+ Regional Developers
..2 Networking Events
..Free Wi-Fi internet access during the event 
 
Only $75 bucks.
 
HDC is the largest annual, independently run regional developer event in the United States.  HDC is run by developers, for developers.
 
Click here for the full details and to register.  Centrally located in Cedar Rapids, IA, this event is a great opportunity to hear from some of the most well-known .NET speakers, including Rocky Lhotka and Rob Howard.