okay will do. Thanks for a great product. I'm excited about getting this setup. One last thing can the other sites (slaves) be sub domains?

Please purchase first, next create a ticket in support center.

Great so then it looks like this will meet my needs. I see there is a free install option. How do I go about getting this setup? I would like to purchase tomm if possible.

Yes, it possible: all sites will have same users, so no matter where you can register - you can login in any site. MySQL users of slave sites should have access to database of main site. Each site can either use own files or use same files for all sites (parked domains). 1) Does each site have its o...

Can I do this? 1 main site and 5 different sites - different themes, Example Fitness, Gaming, News, Cars, etc. Each will have its on forums, menus, Jomsocial Groups,articles etc, related to that site. Once a user is registered at main site can visit other sites and stay login or re login using their...

Yes, you can be logged in master site, next go to slave site - you will be not logged here, so you can register as usual.
Note that if slave site shares users - you can register with same username / email as you have in master site.

... the master site then, I can register a new user account on one the slaves site without the slave site inheriting information from the master and sharing the session data? Essentially, I would be subscribing/creating a new shared user on the slave site while still logged into the master site.

Sorry, I don't understand you
User can be logged in master site and not logged in slave site (default behavior).

If you are logged into a master site, could you complete a subscription form on a slave site as a new user without sharing the session data across the two sites? Basically, the slave site would just see the logged in user of the master site as a new site visitor. This would allow ...

... feature in JomSocial? Sorry, but I don't know if JomSocial profiles allow any permissions. I think not. 2- Can I set-up a SlaveSite, sharing other component files and data from the MasterSite but NOT from Jomsocial AND install JomSocial on the SlaveSite, should I want this site to ...