Yes, its a fun way to travel.
I fished the Goulburn on Sunday, and rafted back down at the end. Very enjoyable way to get back to the car on a 36C day, rather than trotting back downstream in waders!
Lots of packrafting options over there....have a look at
http://youtu.be/TYcouzq7AlYI'm a bit of a ludite - if that link doesnt work, search "you tube, roman dial, when I'm small"......some pretty exciting packrafting Roman did on some of the West Coast rivers a few years ago.
Andrew A