It is interesting to me that this idea (maybe it needs a nifty name like 'sidechain' because bitcoin blockchain-distributed premine seems cumbersome!) and Sidechain is happening at the same time.  I'm liking the sound of both atm.

Quick question:  If in the event I've locked a chunk of bitcoins and transferred value into a sidechain alt, would I still be eligible for the whole of my bitcoin holding (including that locked up) or would I lose out from the currently unspendable bitcoins?