Probably the most viable solution out of those for that sort of approach would be something like a short 3-4" long "dongle" type of cable that could connect into the USB on the N800 and then wrap around to the back. One thing to keep in mind of course is that the USB port is only exposed when the kick-stand is lifted up, so unless you plan on permantenly removing your stand having a USB device connected while carrying the tablet around in your hand is not exactly ideal.

The "dongle" type of cable is the only one that would be fairly easy to mod up as a flat cable or "L-style" would require some plastic fab work that I'm really not up to at this point. (It's possible but I can't think of a way to do it that wouldn't put a lot of stress on the USB connectors themselves when connecting/disconnecting, so a cable is a better and easier approach).

Thoughts/responses to that? In the mean time I'll source out some parts tomorrow or Friday for a "standard" cable as I mentioned originally, so keep an eye on the forum here and I'll post up a link in the next few days.

-Rob