Hi Nicky,
Are you talking about competition spearing or depthdiving ?
Either way good for you !
If you are talking about apnea comp's ie depth & statics, the most important thing you need is a buddy. Without one you cannot train safely. You also need to go over some saftey procedures with each other....
There are a few of us now in Australia having been in an International comp, that know a bit about training and comps. Most of the Aus team are in Sydney, and a couple like me in Canberra of all places. Feel free to email or ask any advice. Although of course there plenty of people on this site who know their stuff
If you wanted some actual person training tips and stuff you would probably have to find your way down to Sydney and get in touch with one of us.
Hopefully there will be some competitions/ and or training events next year, Probably early in the year. They have yet to be organised and the hard part is no-one get's paid for that sort of stuff !
I plan to go in the next O/S comp, either Cyprus and/or Turkey so will keep training.
Goodluck,
Wal