At the top of the page, you can click on the RSS feed and subscribe to the whole forum (so it can show up in your reader - i.e. Google Reader or others).
You can also subscribe to individual forums by clicking (on the main page) the small reddish-orangeish RSS button.
Enjoy. Thanks to Rodney (Claysmoke....er.....Shekinahfilms...uh....yeah, that guy!) for suggesting that I enable this feature!