The question was, do we start with 4.0 or 4.1? On reflection, I think 4.0 would be best. Multiprotocol support is up in the air anyway until Jim makes a move, and 4.1 has bugs with adp etc. 4.0 will give us a stable codebase to start making changes.
Merging 4.1 later will be good practice... :-)
