Just in case you have missed it, there are now 'unread icons' on the main Forum list, as well as any Sticky threads.
These Icons are based on the cookies stored on your PC, and indicate there are posts within a given thread that are new since your last visit.
Previously the icons were only shown within the actual thread, not the forum or any sticky threads

Should make it easier to spot new discussions

Good idea

Any chance of a "new posts" button?

Ah - nope. That's not really possible...

But the 'green' new posts icon shows where they are