Rum Ration doesn't have, Spy/Popular Content/What's Hot/No list of MODs.
Groups (might still have to be brought across?)
Home Page sidebar doesn't have the latest review panel.
Home Page - History and about Rum Ration (I don't know if there ever was on RR?)
Users are automatically logged in to Chat.
Reviews are Different (you might be working on this?)
Alerts are set for Reviews, and as you can see from the following screenshot there is a serious amount of them!