MoboGoGlobo!
You can participate from anywhere in the world. Any Aussies out there interested? It's for a good cause! Hook up Skype for a cheap dialing option.
Event date/time:
March 28th, 4am - 6am in Sydney
March 28th, 1am - 3am in Perth
March 27th, 10am - 12pm on location in Seattle
Registration deadline: March 21st.