Kudos to Typepad for fixing some of the features that I found most annoying.
(1) Comment moderation: it's not something I ever intend to use, but it's nice that the feature is there.
(2) Typekey: for a long time only Movable Type users were able to use this feature. It's finally integrated into Typepad. Once again, I haven't had any problem with spam comments, but if they ever start happening then I will set the blog so that only people with a Typekey registration can comment.
(3) Better emails: the look of the notification emails has improved, and now finally there is a link to delete trackbacks from the notification email. (Half the trackbacks I get are bogus. If anyone sends me a trackback, and the trackback post doesn't contain any kind of link to me, then out it goes.)
(4) Comment permalinks: finally the comments on the default template have permalinks.