Websites
CPAN Testers Reports
The reports site collects together the reports based on author and distribution in an fairly simple clickable list of links:
http://www.cpantesters.org/
A new version of the site coming soon with much more functionality.
CPAN Testing Statistics
Using the data provided from reports since 1999, statistics have been accummulated to show changes in the CPAN testing experience. These graphs and leaderboards are available at:
http://stats.cpantesters.org
Although there are many platforms and perls covered, they do not cover the full matrix. If you have a machine and the time to set yourself up as a CPAN Tester, we'll be please to see you add to the statistics.
CPAN Testers Wiki
This website!
http://wiki.cpantesters.org
CPAN Dependencies
David Cantrell has created the CPAN Dependencies website, which enables you to quickly see the probability of a particular distribution installing on your platform/perl version.
http://deps.cpantesters.org
CPAN Matrix
Slaven Rezić has generated a matrix to easily identify the latest version of a particular distribution that was successfully tested on a particular platform/perl version.
http://matrix.cpantesters.org
CPAN Availability - Cross Platform Statistics
Gabor Szabo created a collection of pages which identify the version of a particular distribution available on a specific version of Perl and a specific platform.
http://pass.cpantesters.org