Most Android users are still on 2.3 which is GB if I remember correctly and only 6% out of all Android users are on ICS, or so I've read recently in Computer World. What does that mean? well, it could mean that either the newer builds bring nothing new to the table and/or are buggy as hell.
You are in the minority here.
Here. I was able to find a link to an article which confirms what I've just said. More or less.
EDIT : ADDED LINK.