Looking at your OA program for Earth scientists 2009, I have seen that the Green Road has not been forgotten, with Fred Merceur presenting his splendid archive Archimer. I wrote an article about it in 2008. Please see at
http://archivesic.ccsd.cnrs.fr/sic_00340885/fr/ I have seen also your PPts about the impact of OA on citations. Very pleased to see that at last a French scientist develop this subject at conferences. Have you read the recent Stevan Harnad 's studies? Please see at http://www.ecs.soton.ac.uk/people/harnad/publications#group_2010
A small synthesis of 2009 should be also useful : Maximizing and Measuring Research Impact Through University and Res.... See at http://eprints.ecs.soton.ac.uk/16616/
Coming back to the 2010 program, I do hope that the use of Open Access Publishing is only a misuse and that again you will be talking about Archiving.