http://www.perlfoundation.org/perl5/index.cgi?recommended_cpan_modules
I also follow the "Discussion Forum" link on each module's page to see if there is a forum, and if so, what level of activity it has.
Performing a Super Search here at the Monastery can also be quite revealing:
In reply to Re: How to pick a CPAN module
by toolic
in thread How to pick a CPAN module
by dragonchild
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