Your chances of having the first one on the block: Moderate, as the Time Capsule has been around for some time, though it doesn't seem to have received the same attention as the or .
What you must know: The Time Capsule must be your base router if you use additional wireless routers as access points -- unless you have an Apple Airport Extreme Base Station, in which case the Time Capsule can function as an access point. Windows systems need to install the included Bonjour networking software.
What you need: 802.11a/b/g/n-capable devices to connect wirelessly. The 500GB version costs $299, while the 1TB version costs $499.