There's a course starting the end of May.
Keep in mind, it could be 6 weeks after the assessment by the time you get an offer. Then you have to get a class 3 medical before you start employment and that could take as long as 3 months, I've been waiting 5 weeks so far. I rang CASA just before Christmas and they were still working on the backlog from late November, my paperwork wasn't even in the system then.
So don't expect to be starting this half of 2012. I'm not saying you won't, but don't hold your breath.