frankbomarito - 7:26 pm on Oct 27, 2011 (gmt 0)
I have a page that's been #1 on organic search for a few years.
It's current version has 6 ads. A 728 at the top, a stack of 2 160s on the left and 3 300x250s side by side quite a ways below the fold.
Adsense ads get rotated through all spots along with 5 other agencies.