AH! the importer has been updated since 0.3.3. I'm not sure the
versions have changed however in trunk. .4 will soon be out, but you
may want to give the latest nightly a try
http://www.habariproject.org/dist/habari_head.zip
and see if that clears up your importing issues.
If you are importing into a clean install, that is no existing
content, you should empty your posts, comments, postinfo, tags, and
tags2post tables.
Don't hesitate to check back if you have more questions, and if you
haven't already, stop in #habari IRC channel, there's usually someone
around who might be able to help as well.
~miklb