Mice

Microsoft Mobile Memory Mouse 8000
Microsoft's ambitious, if slightly awkward, Mobile Memory Mouse 8000 covers all the bases with built-in memory, both Bluetooth and 2.4GHz, and even a rechargeable battery.
Specs: External, PC, Mac, Hi-Speed USB, 1000 dpi, 4 pin USB Type A, Mouse, Wireless, Laser, Black

Microsoft Bluetooth Notebook Mouse 5000
For mobile mousing without the hassle of a receiver, Microsoft's Bluetooth Notebook Mouse 5000 fits the bill as long as you don't mind its somewhat lumpy design.
Specs: External, PC, Mac, AA type, Network, 1000 dpi, Mouse, Wireless, Laser, Gray

Microsoft Wireless Notebook Laser Mouse 7000
A little bit bigger and the Microsoft Wireless Notebook Laser Mouse 7000 could be a regular desktop mouse, which makes it easy to use, but not the best for easy traveling.
Specs: External, PC, Mac, AA type, Hi-Speed USB, 1000 dpi, 4 pin USB Type A, Mouse, Wireless, Laser, Pearl

Logitech VX Nano Cordless Laser Mouse
If you can afford its high price, you'll be pleased by the Logitech VX Nano Cordless Laser Mouse's comfort, features, and extremely portable design.
Specs: External, PC, Mac, AAA type, USB, 4 pin USB Type A, Mouse, Wireless, Laser

Kensington Ci70LE Wireless Optical Mouse (rouge)
The Ci70 LE Wireless Optical Mouse straddles the line between a laptop mouse and a traditional desktop mouse, but this hybrid represents a compromise on both fronts.
Specs: External, PC, Mac, AA type, USB, 1000 dpi, 4 pin USB Type A, Mouse, Wireless, Optical, Rouge

Kensington Ci75m Wireless Notebook Mouse (black)
The Kensington Ci75m Wireless Notebook Mouse is a fine choice for when a laptop touch pad just won't do, with a USB receiver and USB cable stuffed into its slim body.
Specs: External, PC, Mac, AAA type, USB, 1000 dpi, 4 pin USB Type A, Mouse, Wired, Wireless, Optical, Black

Kensington Ci85m QuickStart Wireless Notebook Mouse
The Kensington Ci85m's instant-on receiver works as advertised, but unless you have a specific reason for wanting an ExpressCard mouse (we can't really think of one offhand), stick to the slightly cheaper USB model.
Specs: External, PC, Mac, AAA type, USB, 1000 dpi, Mouse, Wired, Wireless, Optical, Green

Logitech MX Air
The gyroscopic mouse finally gets a mainstream makeover with the Logitech MX Air, aimed at Media Center users.
Specs: Microsoft Windows XP, External, USB, Wireless

Evoluent VerticalMouse 3 Rev. 2
Evoluent's updated VerticalMouse 3 refines its longtime ergonomic mouse product into a robust modern competitor. It lacks the wireless freedom of Microsoft's recent ergo mouse, but otherwise, it's just as comfortable, more feature-packed, and better designed. Just don't be afraid of its unorthodox looks.
Specs: External, PC, Mac, USB, 2600 dpi, 4 pin USB Type A, Mouse, Wired, Optical

Logitech G5 Laser Mouse (2007)
Logitech finally earns a CNET Editors' Choice award with this update to its flagship gaming mouse. An extra thumb button, an updated laser sensor, and more convenient and flexible customization options than the competition make this mouse easy to recommend to any PC gamer.
Specs: Microsoft Windows 98, Microsoft Windows 2000, Microsoft Windows XP, External, PC, USB, 2000 dpi, 4 pin USB Type A, Mouse, Wired, Laser, Cracle blue