actually who would be supporting JRE (java runtime environment) on N900 if it was there? Nokia? Sun? is it freeware? open source?

I would love to see it on the N900 too. Not a deal breaker for me, but well, I would be able to access my webmail with it at least.

@allnameswereout: you mean here? http://java.sun.com/javase/downloads/embedded.jsp