I heard about it from the SDS listserv, which one must be an SDS $member to read--rest assured I'll flag up anything relevant from now on.

Many items get forwarded to sds-discuss from two other no-pay mailing lists, and both got some messages about the Catalyst issue.

Disability Studies in the Humanities aka ds-hum, but you need to subscribe. (I'm really old-school: I subscribe to digest, then visit the web site if anything intrigues.)

The other big source is the disability-research listserv from Leeds UK--their archive is open access without a password