This is definitely some good advice on how not to be not funny (is that enough of a double negative for you?)...
Well, I guess security through obscurity is not the best way to go. Actually I knew this, but hadn't done anything about it.
This morning I opened my inbox to find over 600 new comments posted to my blog entries. I guess I have been found by the comment spammers. Up until this point I haven't had to worry about it, but this morning, after cleaning up all the crap comments, I installed MT-Blacklist to help at least a little bit.
I am re-enabling comments for now, but we'll see how well this does, and how long this lasts. As with any blacklist, it's only as good as the updates. If this causes more work that it's worth, I will have to look into something else.