what's up in april:
• 31-02 The Future of the Internet 2008 - bled, slovenia
• 02-04 CogSys 2008 - karlsruhe, germany
• 08-10 RoboBusiness 2008 - pittsburgh, usa
• 00-12 RoboTest 2008 - steinbach am taunus, germany
• 00-12 Yuri's Night Bay Area 2008 - mountain view, usa
• 09-13 Laval Virtual 2008 - laval, france
• 10-13 Shell Eco-marathon Americas 2008 - fontana, usa
• 21-25 Mobile Robots & Autonomous Systems 2008 - hannover, germany
• 21-25 RoboCup German Open 2008 - hannover, germany
check out the 
techcalendar for more infos.