Why not consider doing an Access Grid style event like http://www.virtualgenomics.org/? Dan -- Dr Dan Swan - Bio-Linux Developer | RHCE EGTDC, CEH, Mansfield Road, Oxford, OX1 3SR Tel: 01865 281 658 Fax: 01865 281 696 http://envgen.nox.ac.uk/ | dswan@ceh.ac.uk