The Greater Dayton IT Alliance is hosting their annual Tech Day on 4 May at Sinclair College. The Tech Day has vendor booths, speaker presentations throughout the day, plus several local user groups are meeting there that day. Check out the agenda on the Tech Day link above for more details.
Cost for entry to the Tech Day is free! (Parking at the local lot will run you $2.00.)
Best of all, the Dayton .NET Developers Group will be having their kickoff meeting at the Tech Day!