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Title: Be aware that you need Mac OS X v10.3 to configure it
Review: This is yet another trick Apple has found to force Mac users to upgrade to their latest OS. If you don't have "Mac OS X v10.3 or later" (i.e. your Mac is more than 6 month old), you won't be able to install the AirPort Express Assistant utility and configure the AirPort Express. My PowerBook is only a year and a half old. It runs Mac OS X v10.2.8, and I'm very happy with it. It has a wireless card from Cisco and works fine in most of wireless networks, including those based on Apple technology. In other words I can use my PowerBook with the AirPort Express, but I first need to configure the AirPort Express. For that, I must have my PowerBook run Mac OS v10.3 (Panther), and that's a $129 upgrade. Bottom line: the cost of the AirPort Express is $258 if your Mac is more than 6 month old.
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