Yay, will be awesome! Will try to upvote from the lab. Have you considered allowing them to post bitcoin addresses and then use the conversion script to turn it into a BTS address? As far as I understand it later when they want to redeem their bitasset they just need to import their bitcoin private key into the client, so it would make it a lot easier for a bitcoiner to just jump in and get some assets.
edit: nvm that would require bitcoin public keys.