Check out the comments page from my posts of the last two or three days, some of which have over thirty comments -- nearly all of which are well written, thoughtful, on point, and not abusive. There's some real discussion and debate in there, and I put my own comments in from time to time.
UPDATE: Shortly after writing this, I got my first dose of spam comment: just a list of links to what are apparently porn sites. Well, if it's just one, I can easily delete it right? Wrong! I know it's somewhere in the comments because Blogger emails me each comment. I can read the comment, but I can't tell which post it goes with. I'd have to spend a lot of time looking for it!
ANOTHER UPDATE: An emailer pointed out that the email from Blogger has a link that takes you right to the post. I hadn't noticed that! Well, that makes this much less of a problem!