Some excellent RA and chronic illness blogs/sites (in no particular order):
From This Point. Forward
Mamas Facing Forward
Carla’s Corner
The Life and Adventures of Catepoo
RheumaBlog
Brass and Ivory
And Then You’re at Jax
RA Diabetes
Daniel P. Malito
Chronic Eileen
All Flared Up
Getting Closer to Myself
RA Guy