Australia Post's recently updated Stamps website now has some information on 2011 issues.
http://shop.auspost.com.au/collections/collectors/future-issues gives the following issues:
11/1/2011 Christmas Island Lunar New Year
18/1/2011 Cocos (Keeling) Islands Boats
18/1/2011 Special Occasions - Love Stamps
20/1/2011 Australia Legends
http://shop.auspost.com.au/collections/collectors/postmarks/fdi shows postmarks for the two territorial issues and two February and March issues:
15/2/2011 Centenary of International Women's Day
8/3/2011 Floral Festivals
We can expect personalised stamps for the Love Stamps.