During the last few days I've been hard at work updating Jambook to get to a stable release. Most of the big issues have been dealt with. Jambook is now also ready to be used with Joomla 1.5 using legacy mode. I've also done some work on supporting Joomla 1.5 natively, although there will still be some work to do on that.
One of the bigger issues left is updating the importers from other guest book systems. The code has been completely rewritten, so that it won't run out of memory as easily. But I need SQL dumps of data from different components in order to test the changes. If anyone can help me out with some example data, that would be great.