Carpal Tunnel Syndrome exercises that really work

I had serious RSI from typing. My solution (read: my problems are almost completely gone) was a split keyboard:

http://www.kinesis-ergo.com/freestyle_mac.htm

Then I set it up in a vertical layout. Something like this:

http://www.kinesis-ergo.com/images/solo-ascent-90_512x390.jp...

but instead of spending $199 for a piece of plastic, I cut up a cardboard box and spend $1.99 on duct tape.