in reply to Can't install BioPerl on Ubuntu

Um, visit http://bioperl.org/DIST/ and pay attention to the dates 
current_core_unstable.tar.bz2   14-Feb-2007 06:40  4.8M

[download]
You might want to try http://bioperl.org/DIST/nightly_builds/ or http://search.cpan.org/~cjfields/ (the Sep 2009 files)

Or you might install git and clone

In Section Seekers of Perl Wisdom