I'm trying to find out how many Atariage visiters actually own a 99/8. The word is there are about 150 preproduction units built. So, how many of these did survive and are in (more or less) active use.   Also, I checked the 99/8 documents found on whtech. Are there more? I am especially interested in technical design documents on XBII (I'm especially interested in the later ones, around 1984).   The ones I know are listed here:     It is quite a fasc