AFAIK, {{Scala actors and akka only work on hotSpot (there may be other language features tied to hotspot)
http://stackoverflow.com/questions/2987408/actors-in-scala-n...
There's only 1 guy working on it but he's been going at it furiously
http://lamp.epfl.ch/~magarcia/ScalaCompilerCornerReloaded/
(do they feel itchy about using the LAMP subdomain?
I think it has been decided that the JVM will always be the LCDenominator VM (e.g. implmentations on other VM's pretend type erasure is happening, for compatibility with JVM implementation)
}}