I'm sick of scanning through the list of comments caught by Akismet to see if there are any false-positives -- I have had a few false-positives, namely from DJT.
So I've deactivated Akismet and installed Challenge 1.1. It works by asking the commenter a question. If the correct answer is provided, the comment is posted. I can customize Challenge to ask any question, however I'm currently using a simple, random math problem. Hopefully this plugin will save me from scanning through hundreds of spam comment posts.
One thing I would like to fix, though I don't think it will be an easy fix, is to save the contents of the users comment in case he enters the wrong answer. Right now, if you enter the wrong answer and click Post, it gives you a message saying you entered the wrong answer. However, when you press the Back button in your browser, you have to retype your comment. So get the answer right the first time!
Go ahead and leave a comment to try out the new system.
EDIT: After deactivating Akismet, I started getting a lot of TrackBack spam. Since Akismet doesn't have any option to only filter TrackBack's, I've decided to disable link notifications altogether.