For things that are (nearly) objective I think it would be cool to have such a chart, and not just for "competing" modules. Say, everything to do with PDF:
All nicely sortable or course. But excluding anything you can't back up objectively, so no "five stars from me" type of stuff.
cool to do that for all of CPAN and let you sort/filter/etc on it.... but I'm not volunteering, too busy myself these days.