Uhh sorry for the very late reply ^_^ i've also tested, i can confirm that in my version the posts were locked (ive read thats now fixed) and on first run the posts were all appointed to guests (i didnt clicked to add members) and on the second run it deleted my current members (im doing this on localhost to test it out, not live hehehe), it would be ideal for me, if it would compare the members e-mail addresses, if its already on the wp database, dont add member and link the posts to the existing member, if its not on the database, add new member ^^ it doesnt need to be perfect, but deleting current members it shouldnt be able to do, even if it doesn't assign the old posts to the current members ^_^
cause like i said my old forum has double the members than my wp site, but there are loads of duplicates members, still as a sidenote, if the new importer, imports the posts correctly (even if all are assigned to guests), it might be good enough for me, the old content is there, so not lost (legacy) and users can post new things ^-^ ohh and thanks for the awesome job, looking forward to using simple press on my wp site