For those not sure yet of how to keep up with a specific posted topic of interest. This is a very simple process on the new forums.
Just look at the bottom of the specific thread you are interested in and you will see two options that you can click on.
one is WATCH TOPIC the other is SUBSCRIBE to topic once one of the other is selected when you come to the forums section you will see a small box to the right of the screen where you can easily keep up with the those topics.
Note: a watched topic just lets you find it real quick. A subcribed topic will notify you when you have a new post to it.
What is nice is when you click on one of the buttons it POPS UP WITH THE POST INFO