During this Christmas, with the family, we had the following in the same room:
1 Amazon Kindle 3
1 Amazon Kindle 4
1 Sony PRS-650
1 Sony PRS-T1
1 Bookeen Gen3, 1st version
2 Bookeen Gen3, gold edition
1 Bookeen Opus
1 Bookeen Orizon
only two of the adults were reader-less, and of course, mine was the first. And I can count two other readers in the other branch of the family who were bought after seeing mine