1.   Common alternatives to the mouse include trackballs with programmable buttons and tablets that let you move the pointer by moving a special pen across the tablet.

2.   Equipped with four programmable buttons, the Marble FX is easily customized via the Mouse Properties dialog box.

3.   Kensington offers something called a Thinking Mouse that has four programmable buttons.

4.   Some users find trackballs or computer pens and tablets easier to manipulate than a mouse, and Kensington makes a number of trackballs with large programmable buttons.

5.   There are four programmable buttons across the top of the keyboard that let you launch favorite programs with a single touch.

6.   There are four programmable buttons, which is enough to get the job done for most users.

7.   The keyboard, which also has four programmable buttons, is too soft for somebody like me who always works with an IBM classic keyboard.

8.   Two programmable buttons are on the right side.