Do yourself a favor and get Mastering Perl/Tk now.
If memory serves, there's a copy at Borders with a 20% Off sticker on it. (And if memory is incorrect, stickers can be easily moved.
I really hadn't been planning to throw myself at another Perl book straightaway, but it seems that my life is quickly becoming an Perl book collection contest.
In good news, though, it looks like my school will be offering a Perl class (under their growing list of CGI-oriented classes). In possible bad news, I have no idea who'll be teaching it.
As long as their last name isn't Wright, I should be fine, right?