Bandaids and Blackboards patients and siblings tell their stories about living with a chronic illness.
Sibling Support Network is a site for the brothers and sisters to check out.
Internet Resources for Special Children (IRSC) has a variety of links for everything from adaptive clothing to traveling with SHCN kids.
MUMS is a parent networking site linking together parents of special needs kids who share the same or similar diagnosis.
The Family Village site has information and links for specific diagnosis, communication tools, adaptive products and technology, education, worship as well as disability related media and literature - a great overall site.