AustralianIT have an article on the Academy of Interactive Entertainment, with comments from David Giles, Head of school of the Melbourne institution...
Head of school is David Giles, who presides over the courses, fees for which range from about $6000 to $20,000 depending on the components and the campus.After a year of full-time study, which includes about 800 hours of contact time, students can go on to a more advanced one-year course.
The academy, which has been operating since 1996, runs courses in Canberra also, and both venues are closely tied to local games development houses.
Atari Melbourne House, in Melbourne, is one example.
Definately worth a read through if you're interested in studying game development...