I'm working on similar goals right now, but focusing on making a bookscanner (see http://diybookscanner.org http://diybookscanner.org ) instead, namely because

I'm working on similar goals right now, but focusing on making a bookscanner (see http://diybookscanner.org http://diybookscanner.org ) instead, namely because many of the books I have are out of print. I figure I can later just use the bookscanner for documents as well