> It looks like it is claiming to support lots of internode cluster-type communication
There are a few projects that specifically take advantage of node's ability to proxy and distribute work across multiple processes.
Check out these projects:
http://learnboost.github.com/cluster/
https://github.com/nodejitsu/node-http-proxy
https://github.com/substack/dnode
Or my very early prototype botnet thingie: https://github.com/isaacs/sodn