there isn't a great mechanism for module review of this kind here.
What's wrong with the Code Catacombs now? The only thing I can think of is that it isn't the most prominent of sections. You can't frontpage posts and new entries are a fair ways down the Newest Nodes page. Still it seems like a decent place to post modules for review.
Perhaps something along the lines of Increasing Visibility of Reviews and Tutorials but for the Code Catacombs would be in order.
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Perl Monks Discussion