June 2011, the new version of MARTE has been released by OMG. It can be downloaded from http://www.omg.org/spec/MARTE/
MARTE is relevant among the topics addressed by the workshop TiMoBD - Time Analysis and Model-Based Design, from Functional Models to Distributed Deployments: http://retis.sssup.it/timobd .
It will take place on October 9 - 2011, in the framework of the Embedde Systems Week ESWEEK 2011 (esweek.acm.org)