How can I load a Blog Template as a Theme option?

Hi there.

Is there a way we can load a Blog Template as Theme?

When a user register for a new website, he can choose from different templates. But what if he starts with one installation, and then wants to switch the theme?

We are using Admin Menu Editor and Adminimize to control the aspect of WP Admin. Different Themes will load different plugins and different options for each theme.

I'm not sure if I'm thinking about this the right way, can someone provide some insights?

Thank you very much!