If you are experiencing problems with Absolute Comments, it's mostly because of a conflicting plugin. I've put this troubleshooting guide to help you identify it.
Last thing: I moved all your personal options to a separate external file my_options.php, so that your settings don't get overwritten when you update. (To the question "why didn't you just add an admin page", I'll answer that it's not really worth the screen real estate: you're supposed to pick a few settings and never look back at them, so why waste some space in your already cluttered admin menus)
Anway, go get Absolute Comments 2.1 now.
Edit: Blah. Fifteen minutes later I realize that the external options file will be lost anyway if you upgrade via the built-in plugin updater, which starts by deleting everything. I'll add an admin panel on next update, if any. Doh.
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