If you cant find what you are after on the AOK site on the home page please check out www.empind.com.au EMPindustrial. It is http://mypharmacyexpert.com/viagra-online/ an internet based site with a broad range of equipment.
For resistance bands follow the link :- http://www.empind.com.au/cat/index.cgi/shopfront/view_by_category?category_id=9955
Until we get our videos filmed from pro-align they also have an array of dvds for home practice:-
http://www.empind.com.au/cat/index.cgi/shopfront/view_by_category?category_id=15683
Enjoy!!