I see you live in the Chicago area. Treasure Island grocery stores usually carry it.
...Sorry--just reread and saw you were looking for the Australian Weetbix. I'm not sure if TI carries it, but it's worth a shot. They have a large selection of imported foods.
Last edited by chgoeditor; Oct 16, 2005 at 6:15 pm
Reason: re-read OP's message