Pjman - 1:45 am on Mar 7, 2012 (gmt 0)
"Are most pages within 1-2 clicks of the homepage?"
That is a very interesting point. I have a number of niche related sites. After Panda, I see the sites that have everything built within 1 click of the homepage to be very strong. 2-clicks out light on traffic. 3+ clicks are dead.