The Register seems to think that OS X.2 Will ship summer of 2002. They also say that 10.1.2 should ship early this month officaly (i have seen it arround unofficaly) and 10.1.3 a little later. Here is the artical:
http://www.theregister.co.uk/content/39/23172.html
http://www.theregister.co.uk/content/39/23172.html