Groupon just launched their first deal minutes ago through their Star Deals site. http://www.stardeals.com.au/
DealMonkey also launched today. http://www.dealmonkey.com.au (don't forget the $10 credit voucher @ http://www.ozbargain.com.au/node/39135)
Adelaiders will be happy to see a new local player to the market @ http://yipee.com.au
Perthers sees two welcome additions to their local city @ http://www.deal2day.com.au/ and also http://www.mobadeal.com/
SnagADeal will launch soon in Melbourne, Sydney and Bris. Right you can get a $20 free credit for pre-launch signup! http://www.snagadeal.com.au/nodeal
MyDealsBag - Launching March 1st http://www.mydealsbag.com/
www.outwithyou.com - Launching soon in Melbourne
http://dealsbabydeals.com.au/ - Brisbane I think
http://www.bargainbabee.com.au/ - Niche specific to babies and mothers.
Plus there are 3 other sites I've been contacted about, but no firm information yet except they should launch in the next month or so. Wow, busy time for group buying!
wow
so many group deal sites now