2.6.1 for me :-)
And within only a week or 3 of having a working one I have already managed to devour 9 books.
Gutenburg and the Baen Library (and the,legally, distributed CDs) are a godsend.
The reaction of people on the tube is always fun (from the people giving obvious sidelong glances, to those that come out and ask what it is). The reaction is almost always positive.