I see the "RSS feed for comments" link on thread postings, but I'd rather not add feeds to my feed reader for each thread I want to follow. Instead, I'd love to be able to subscribe to a thread and be notified via email when new posts are available, with a link to the thread. This is getting to be a pretty common feature at other forum sites, so I was surprised it wasn't available here. (Or is this feature already implemented and I'm missing it?)