Free data conversion services look good on the shiny web-page surface, but I recommend you try these out before jumping up and down. For instance, check this out. Some of my colleagues forwarded me this and asked me to post our findings. They tried http://www.pdftoword.com/ and both got back a message similar to this:

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From: “PDF to Word” <no-reply@mail.pdftoword.com>
Subject: [PDF to Word] Failed to convert Xxxxxxxxxxxx.pdf
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Now, this could be just a fluke, but the point is you don’t get nothing for free. As the Dutch often say about making purchases (loosely translated), “A cheap purchase is a bad purchase.” (Well, anyway, rhymes in Dutch, really!)

And on that investment note, this one was rather interesting:
http://forums.adobe.com/message/2162894  Read more... (360 words, estimated 1:26 mins reading time)