Here are a few sites that you may find useful:

People with Disability Australia Inc. - A peak organisation run for and by people with disabilities.
WWDA - Women with Disabilities, Australia. The national, peak body for women with disabilities.
Australian Federation of AIDS Organisations - Here you will find information about AIDS and links to related sites.
Positive Life NSW - A non-profit community organisation representing the interests of people living with HIV in New South Wales. Formerly PLWHA NSW.
Family Planning NSW - A site for family planning and sexual health, with many references to disability and GLBT information.

Gay Games VI 2002 - About the 2002 Gay Games, which were held in Sydney.
PRIDE - Sydney Lesbian and Gay Community Centre.
The Gender Centre - A Sydney Community Centre for transgender people.

National and International GAY AND LESBIAN ORGANISATIONS AND PUBLICATIONS with other organisations/publications important to glbt research.

Laura Ferguson - The Consciousness of the Body
Sex and Disabilities
Intimate Encounters - Photographs by Belinda Mason-Lovering exploring connections between disability and sexuality.

bent - an e-zine for gay men with disabilities.

e-group sites (interested individuals can register at the site):
Accsex is moderated in Melbourne.
SARFP is moderated in the UK.