Here are some links that I've found helpful:

Tysabri - TysabriŽ (natalizumab) - IV

Betaseron - (Interferon beta - 1b) - SC injection

MultipleSclerosis.com - MultipleSclerosis.com - Real Help, Real Hope

MS ActiveSource - Informative site from Biogen Idec, the makers of Avonex.

AVONEX - (Interferon beta - 1a) - IM injection

MS Pathways - Informative site from Berlex Labs, the makers of Betaseron

Copaxone - (glatiramer acetate injection) - SC injection

MS Watch - Informative site from Teva Pharmaceutical Industries, the makers of

Rebif - (Interferon beta - 1a) - SC injection

NMSS - The National Multiple Sclerosis Society web site

Race to Erase MS - The Nancy Davis Foundation for Multiple Sclerosis

Montel Williams MS Foundation - MS foundation started by talk show host Montel Williams

Sportlight Health - Combining healthcare expertise and celebrity experiences in a caring supportive community

All about Multiple Sclerosis - Comprehensive and informative site about MS

Freinds with MS - "With Friends with MS online you're never alone!"