The last time I checked, Radioshack.com was clearancing out some of the
electronic switches, as much as 50% off.  You might want to check there (country
club and southern) and see if they have any, or at least how much they are.

> Generally, I've found the "manual" switch boxes to be pretty hard on the
> hardware. Most are poorly constructed, as well. The only thing they've got
> going for them is cost.
> 
> I eventually saved enough money for a good electronic switch. These keep a
> constant signal to the computer for keyboard and mouse, so the computer
> never knows that they were switched away. It's also nice if a power-outage
> causes a reboot, since all computers will "see" the keyboard and mouse when
> they boot, regardless of what position the switch is in.