Here are states that quads fell in the months of Oct,Nov, and Dec. in the last three years
Michigan: Dec 29 2004 =5555
Michigan: Nov 14 2005=3333
Michigan:Dec 4 2006=7777
Connecticut: Oct 4 2005 =4444
Connecticut: Dec 22 2005 =8888
Pannsylvania:Oct 25 2004=4444
Pennsylvania:Oct 26 2004=5555
Tri-State:Dec 8 2004=9999
Oregon:Nov 2 2005=5555
Georgia:Nov 11 2005=7777
New Jersey:Nov 23 2006=1111
Florida:Dec 12 2006=2222
Quad 5's'-7's-4's seem to be popular during this period