Not really a gig but Armin gives a Q&A session during WMC:
Q&A with Armin Van Buuren

Official Event Saturday Mar 28th at 1:00PM
Talent: Armin Van Buuren
Venue: The Miami Beach Resort & Spa
Address: 4833 Collins Avenue
Time: 1:00 PM - 12:00 AM
Presented by: Winter Music Conference
WMC Badge Policy: Free with WMC Badge
Details: WMC presents an intimate Q&A session with Armin Van Buuren. Part of the WMC2009 program.
Email: info@WinterMusicConference.com
My first question will be where his second gig in Miami apart from UMF will be

Itīs time to announce it....