WPMU, Buddypress and Members Plugin

Hi....

I'm trying to get my head around the utilization of the Membership plugin with WP Multi Site and Buddypress.

First, I don't know if I have the correct architecture.

1 - I have the main network site which has Buddypress installed and configured and it will contain categories which have various access levels, one of which is paid.

2 - I have a 'Template' website, which is what my members will clone when they create a new blog

I have installed the Membership plugin and activated it on the Network

I have gone to my Main Network Site and attempted to configure it for Memberships. I have disabled WP registration on the main Network.

So i have that kinda working in a rough fashion.

However - when directing visitors to the new registration form on the main network site, there are no field options for creating their new network blog. There isn't a field for blog title, which would be the prefix in my sub-domain setup.
Also, existing sub-blog users are not recognized in the main site members user panel and I don't see a way to import existing members.

I'm starting to think I may have approached this incorrectly.

Is it possible to use WPMU / BP / Memberships for what I'm trying to do, if so, how best to configure it?

Many thanks

Carl