However, I find that the more popular sites give a different main page look after logging in, I'd like to suggest this:
What if, after logging in, the main page presented to each member is a latest posts page, that, I believe, has a much more user friendly feel to it, you could still have the home Tab, which will take us to the Main Forum page, but over all, imo, I think that once we're logged in, something like this would be better:
Also, instead of having a "You have No Messages" Tab, just have a 'MESSAGES' Tab, members can click on it to see if they have any messages or not, the reason I suggest this is, the 'TODAYS POSTS' Tab could go between the 'PROFILE' and 'MESSAGES' Tabs,
A main page with an easy on the eye look and a user friendly feel, does make for a popular forum, and one that members, established and new, want to visit on a daily basis, thanks for reading