I replaced a great DLink DIR-655 Extreme N Gigabit router with the latest Airport Extreme with Gigabit in order to get the Airdisk. All functions ok except Airdisk, which does not work on my mixed PC/Mac network. I now know that Apple's definition of "Windows Compatibility" is this: If you convert your 400gb NTFS drive into a 32gb FAT32 drive, Airdisk will be Windows compatible! AirDisk requires FAT32 and a single partition to work with Win. This is 2007, Apple folks. THis is not high tech, or compatibility.