In response to your OP, were you perhaps talking about my post here:
http://www.enworld.org/forum/d-d-4th-edition-rules/253564-math-analysis-dungeon-masters-guide-loot-guidelines-starting-pcs-above-level-1-a.html
evilbob, you glorious evil dark knight, that is precisely the thread I was thinking of. And I see you even included some calculations re: how larger/smaller parties fared. Awesome! Thanks a ton for the link!