Answer off-line if you prefer (aeschober at snet dot net).
The computer-computer link? I assume this is Wi-Fi on the portable unit, and requires a wireless router (at least to the portable unit). I don't think you can connect two Wi-Fi computers without a router, but am always willing to learn. Laptop has both Wi-Fi and RJ-45.
Primarily interested in running SeaClear II, which is heavily mouse oriented. Any comments on the touch-screen portable unit interfacing with the mouse-driven program on the laptop below? I'm also assuming that SeaClear II would only have to be installed on the remote laptop.
Now to search for a Pocket PC with a sunlight screen???