Our school bought comic life last year---it is pretty cool, and you're right, it didn't cost much. The only thing is, at the time it was only for Macs.
> From: "TeacherArtExchange Discussion Group digest" <firstname.lastname@example.org>
> Date: 2006/02/05 Sun AM 02:00:02 EST
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> Subject: teacherartexchange digest: February 03, 2006