If you plan to come to Barcelona, Spain for the Free and Open Source
Software for Geospatial conference in Semptember this year, then you
best register right now, as early bird registration ends this Tuesday
15 June 2010.
http://2010.foss4g.org/registration.php
FOSS4G is the international Free and Open Source Software for
Geospatial conference, which comes to Barcelona, Spain, 6-9 September
2010.