Akismet is great. If you add the option to moderate comments only from people you haven't approved before, it makes moderation light and ensures comment quality.
The only trick I've seen get past Akismet is the auto-generated comments that say "Nice post", and really are just linkes to auto-generated spamlogs.
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The only trick I've seen get past Akismet is the auto-generated comments that say "Nice post", and really are just linkes to auto-generated spamlogs.