That's funny, because most of the "hot" startups are choosing/using languages that they can actually find developers for. If great Perl hackers were easy to find, more startups would use Perl.
Getting attention because you didn't use Node or Clojure or Erlang or Ruby or Python or Java is trickier.
(I've been at this long enough to remember hearing from VCs "Your product has a Perl backend and a Python frontend? Oh... would you consider rewriting it all in Java? Java has more buzz.")