I think I just want to top mrgq on this one. Just in case that $550 free brokerage is not enough as you are day-trading like crazy in Australia's long running bull market, this deal gives you up to $750 Free Brokerage on new accounts before 30 June 2007.
I won't reprint the long list of Terms and Conditions here, but do read through before you apply. Finally, "You should consider your own investment objectives, financial situation and particular needs before acting upon any information provided on this website" :)