The following catalogs contain lots of items for making life a bit easier or more fun including accessible keyboards, nagnifiers, and other items discussed in this show.
A source of free or shareware magnifiers for your computer can be found at:
www.magnifiers.org
The Magic Screen Magnifier for Windows can be obtained from Freedom Scientific:
www.freedomscientific.com
The Zoomtext screen magnifier for Windows can be obtained from AISquared at:
www.aisquared.com