$100 for a single extra TB seems like a ripoff. You can plug in external drives to the Time Capsule so it seems to me that it would be more worth it to spend the extra $100 to get a 4TB external USB 3.0 hard drive to hook into the Time Capsule... Unless I'm missing something? My intention is to use the Time Capsule as cloud storage via an Ethernet connection to my router. Time Machine backup compatibility is a must. Perhaps even using it as a router and putting my current one in bridge mode. Does it have prioritization features as a router? I.e. can I prioritize the traffic of certain IP's over others, or content types (QoS)? Ideally I'd like to have extensive QoS settings. Are there any non-Apple routers that would be compatible for what I'm trying to do? Either with storage or compatible with USB 3.0 devices.