Here are some a-cat links for the IACA and then Denmark, Netherlands, Sweden and France Associations. The US site also has some great information on it so i will add it to this as well. Hope that this helps you.
http://www.mathran.nl/acathttp://www.a-cat.dk/http://www.baca.be/http://home.planet.nl/~dwars000/daca/ you have to copy and paste this link
http://www.afcca.org/http://www.usaca.info/
