Something like aspose.com was recommended to me by a friend, but I have not tried, since I do not have a budget for this project, as well as coding skills at this level.
I have the same need for a larger scale (like the other K12 colleges and schools that I put). I need to archive about 150 Google sites per year from Google for our library. Preferably in PDF or zip format, which can be viewed from Google. Ideal for a single PDF file. The Google sites that I need to pull out also contain PDF and JPG files attached to some pages using the File Cabinet template on Google Site, so some concatenations should be done, I think.
Someone should do this, given the number of schools using Google Apps for Edu ...
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