Multisite with Prosite. Offering two different types of sites.

I want to give users two different options. (1) to start a marketpress site with a predefined template with no additional plugin options. I want to basically clone the configuration when a user selects the store front option. I want to make a $1.00 per transaction on the network.

(2) User blog creation using much of the functionality of the prosites plugin, with upgrades for plugins and domain mapping etc.

What is the best way to accomplish this?