Fellows has some interesting products which I've used in the past with some success. In general, using a variety (I also use a wacom sometimes, and often use a

Fellows has some interesting products which I've used in the past with some success. In general, using a variety (I also use a wacom sometimes, and often use a mighty mouse with my ibook) http://www.google.com/products?q=fellowes+microtrac http://www.google.com/products?q=fellowes+microtrac http://fellowes.com/Fellowes/site/products/ProductDetails.aspx?Id=99928 http://fellowes.com/Fellowes/site/products/ProductDetails.as... They used to have a presentation version of this that was wireless and had a pistol below the trackball cage. I bought two and still use one if and when I have an office. I haven't tried this microtrac version but it would definitely take all stress off your wrist!