Comment Timeout, updated
July 23, 2007 | In DeveloperJames McKay is back with Comment Timeout 2.0, an update to a WordPress plugin I use. He;s gone for a complete rewrite from the ground up with some new features, including: Per-post settings, Extended discussions for popular posts, Send to moderation queue, and Advance warning.
Note: it only works with the WP 2.x branch.