You needn't be a Perl master
to be a Perl monger
. The types of "contributions" one would give to the group would be more in the realm of topics to discuss, books to suggest, places to meet, and beers to drink. ;)
Of course, code review and more code-heavy material is encouraged too.
My vision for the group would be to get together with Perl programmers from the area, whether they be college students, professional programmers, pleasure hackers, or any other type. And the more, the merrier. If you have some interested members in your office, feel free to invite them.