If you keep hearing about MP3 but don't have a clue about it, this guide from HardAvenue should get you on your way.
Apparently there's now a Tetrinet server for OCAU people. More info in that thread, thanks Cypher.
OCIA have an interview with Tom Leufkens.. there's a name I haven't heard in a while. He used to be involved with watercooling and peltier kits back in the early days.. find out what he's been up to lately in the interview.