Per-post comment RSS feeds. After following the thread on Sam Ruby's blog about Dave's comment tracking feature request, I figured I'd try RSS-izing comments on each of my posts. As things seem to have been going lately, I'd underestimated MovableType, and it turned out *so* much easier than I'd thought. :) I'd had an RSS feed for comments overall on my site, but now I have individual RSS feeds for each post. (Notice the in the comments section... [0xDECAFBAD]
This is a really good idea for workgroup where a weblog's post can be a discussion seed. It is a way for the participants not to have to check a item periodically. Another time saver. Bravo!