The operating system will not work on computers running Intel's Pentium 4 processors or the Athlon from Advanced Micro Devices, a public relations representative said on behalf of Microsoft. Instead, it will run on computers containing Intel's Celeron chips, AMD's Duron or Geode chips, or processors from Via Technologies.

"Logitech's consumer mice and keyboards currently have plug-and-play functionality if used today with a 64-bit system, as supported natively by the Windows operating systems," Brinks wrote. "Logitech SetPoint software will be updated and available online beginning in June, giving our mouse and keyboard customers added levels of customization and button configuration. Also, we are in the process of updating drivers for many of our webcams so they can operate on 64-bit systems. These updates will be made available throughout the year."

You have to buy them in multiples of three, or buy it with a system, or buy it with what Directron dubs "any hardware". It says you can be creative about this, the web site says.