I have accounts with www.centrebet.com
had accounts with www.sportsacumen.com.au
you will need a few to get the best odds ($) and/or Line (+-)
If opening new accounts few of those offer free bet amount as well.. Shop around .. for that .
mainly look for the best interface and easy to you navigation , plus the variaty of sports
All of them will ask for Identification (fax them /email them copy of Drivers License)
and some of them ask for second ID (copy of phone bill/gas bill etc)
If deposites were made by credit card.. copy of that as well