Recommend they get a trackball; a big, beefy beast that can be slowed to a crawl. Better for the neck, better for double-clicking, and easier for positioning th

Recommend they get a trackball; a big, beefy beast that can be slowed to a crawl. Better for the neck, better for double-clicking, and easier for positioning the cursor (especially if they have Parkinson's). http://cil614.files.wordpress.com/2007/11/kensington_trackball.jpg http://cil614.files.wordpress.com/2007/11/kensington_trackba...