Remote firmware update is the thing I want, looking forward to that. GHI has it's own model, but it would be great to get something standard.
Remote firmware update could be possible, depending on the definition of Remote. When using an xbee shield for example, it's quite possible to upgrade the firmware over a radio signal. Perhaps there are possibilities to do so over ethernet as well, but that would require a modification of the current firmware I think. Perhaps you could post that question with a bit more background information ont he Netduino Forums?
Ps. nice Doctor Who-reference in your tagline. Big DrWho-fan here!