So what!
New posts?
Big deal you just click on it and up comes all the posts made since your last visit, right?
True, but there's more!
You can actually make selections of what rooms you see when you use 'New Posts'
Hit your User CP and select Edit Options.
Scroll down to the bottom and you will see in the Miscellaneous Options
Exclude Forums from "Get New Posts"
Simply click on the forums you wish to exclude from the search and press Save Changes
Here's a capture to show you..