You're right. There is a 1.50 version Gulliver linked to here: http://www.amiga.org/forums/showthre...658#post577658
But it's cracked. So it will work to install (apparently, I haven't tried), but it doesn't have a Serial # to use for 1.60.
Not sure what the diff is between 1.50 and 1.60 either..