In Stuttgart was at the FMX presented new features of RealFlow for the next version. It was presentation regarding to Caronte, which is the dynamic solver to simulate rigidbodies and softbodies inside ReaFlow with large number of objects.
See presentation and some videos in original article: http://luismma.wordpress.com/2011/05/11/new-realflow-features-is-coming-fmx-caronte-presentation/