Logitech NuLOOQ Navigator for Photoshop
From the website: It's not a mouse, but it could be your mouse's best friend! NuLOOQ navigator is an innovative stationary control device, about the size of a half a tennis ball but weighs in at a solid 1 lb. Built into the device are a multi-dimensional ring, called the navring for simultaneous 360 degree pan and zoom and a touch sensitive circular disk, called the tooltuner for fine precision control.
PC or Mac
$80
From the website: If you spend serious time in Photoshop, Illustrator, or InDesign CS2; require precise tool control; and make repetitive trips to the toolbox, menus, or options bar, the customizable and highly configurable NuLooq navigator & tooldial is definitely for you. With it, Logitech has created a must-have tool combination for the serious creative pro and anyone else who needs precise navigational control over their large monitor and work space.
