News Sharing Site fixes

I need these two fixes for my site U Do News, Inc ([login to view URL]). 1. Develop a load balancing Plugin between our two dedicated, 1 and 1, Linux based servers. We also need it to automatically back up all the data every 2-3 hours on our 1 and 1 virtual server and/or our A3 Amazon server (see explanation above). 2. Because this is going to be a news site for independent journalists, I need to be able to have 4-separate member types. One that can only view items (no registration needed – we already have this in place). We then need one that is a normal member who cannot upload any media but can comment on videos, stories, and add people to their group, their favorites, etc. The third would be the Reporters Website is using phpmotion software