This is an extended modification of the OSC 2.2 MS1 version with registry functionality included. If you want to see this in action, you can check the demo at oscommerce.SammySolutions.com. It supports multiple registries per user account.
Due to the size (1.5 MB) of the package, I couldn't upload it to here. This upload contains the readme file and a link where you can download the contribution. Or just download right away from:
I hope to get a few more features in it in the next couple of months. Once we are there, I will try to have it uploaded here as the whole package as well.