As you know, I spend a heck of a lot of time managing through the Google support forums. A lot of what I cover comes from there, finding hidden gems in these sometimes messy forums. You'd be surprised that I don't use the RSS feeds to find this content, I have other means.
But for those of you who want to subscribe to the forums you can via RSS or Atom feeds.
Tony McCreath shared on Google+ how to find the RSS and Atom feeds links to each forum. In short, when you get to the forums, click on the "about" link and then when that loads, click on "Feeds." From there you have for two formats of two types of feeds, one for all messages and one for new topics.
Here is a picture:
Here is a quick link to the Google Webmaster Forums feeds.
Forum discussion at Google+.
