I'm off to read these links. I first heard of Linear B writing in fantasy novels, and it's quite intriguing.
Here's another topic about Linear B:
The Linear B Tablets and Mycenaean Social, Political, and Economic Organization
Lesson 25, The Prehistoric Archaeology of the Aegean
Revised: Friday, March 18, 2000 | Trustees of Dartmouth College
Posted on 08/29/2004 8:19:46 PM PDT by SunkenCiv
http://www.freerepublic.com/focus/f-chat/1202723/posts
And here's some more about the coming of the Dorians:
Lesson 28:
The Collapse of Mycenaean Palatial Civilization
and the Coming of the Dorians
http://projectsx.dartmouth.edu/classics/history/bronze_age/lessons/les/28.html