I know a lot of academics are becoming annoyed by the publishers and their business models. Frankly its a disgrace that most research isn't freely available to the general public. More often than not they have paid for it via taxation and university fees (most research, at least in europe where i am, is taxpayer funded). Add to that the fact that the academics do the work, write the papers, review the papers (for free i might add) and mostly act as journal editors (for free again), and its hard to see really what the publishers are doing beyond hosting the PDF.
Oh and the best bit - when you submit your paper to the publisher, you also sign over copyright. So they even own all the taxpayer funded work. Actually i was wrong at the start, its beyond a disgrace.