Nat Goodman gave a talk on his impressions with BioPerl at a recent OReilly Bioinformatics Technology Conference.
The powerpoint slides can be downloaded here: http://conferences.oreillynet.com/presentations/bio2003/goodman_nat.ppt
All of the conference talks can be downloaded here (worth checking out): http://conferences.oreillynet.com/pub/w/21/presentations.html
From the session info:
Goodman