Thanks Jerry. However, this suggests there is just one 'S-connect' plug for the model S side and three adapters on the power side. If this is true then what Mitch suggests can't be done.
For My part I'd sure like to keep the EVSE with available adapters in my Car and have a second 'S-connect; plug wired to my garage box. For the roadster a second EVSE is $1500. For the model S one could buy the high power wall charger at $1200. Since I won't have the twin charger option (not much sense for the 40kWh battery) this latter option doesn't have much value for me. At this point, a second EVSE makes the most sense to accomplish my goal. I just can't understand why it is so much on the roadster (with a probable similar cost for the model S). It seems like one could custom build an open EVSE box for a fraction of the cost. The problem being how to get just the S-connect plug. Since it's proprietary I don't expect low cost option to come up any time soon.