There's not much on "Australita" now. The article below reviews the Austalian restaurants The Sunburnt Cow (137 Avenue C, between 8th and 9th Streets) and Ruby's (219 Mulberry Street (between Prince and Spring Streets).
16-22 March 2005, New York Press, E&D (Eats and Drinks) by Jennifer Blowdryer, "Aussie Appetities," pg. 26:
I WANTED TO know more about the Australian food thing, so my foodie friend Dave Ritz brought me to Ruby's in Nolita (now referred to as Australita due to the recent infiltration).