In reply to:

And, since the ethernet isn't dockable, it means that the unit is now pretty much permanently attached to the car. You'd have to take the dash apart to get it out again...

Not really.. you could just leave the ethernet cord w/ an extra foot or two of slack behind the empeg - that way when you pull it out, you just disconnect it..
-mark

...proud to have owned one of the first Mark I units

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