This is a really universal remote control as it can be used on any device ranging from a microwave to a TV and a DVD player to a PC. If your Pc has a IR port (or IR via USB), you can use this device to control your PC or PDA, because it supports Windows ME, 2000, XP, CE 2.0-3.0 and .NET, Linux and Mac OS X. Navigating on the web and browsing files should be quite straightforward, but more complicated tasks like typing could prove a bit more difficult.
About $120 should get you this Lipii remote control.