Here are the week 12 Bears power rankings from various sites around the web:

ESPN: #12 (Last week: #17)

Analysis, “Bears have quietly won three straight with solid defense.”

SI.com: #12 (Last week: 14)

Analysis, “I’m not sure I’ve ever seen a team fix a problem mid-season quite like the Bears offense has with its third-down issues. In its four October games, Chicago was 5 of 50 on third downs (10 percent), and ranked last overall in the league in that category. But since November dawned, the Bears are 28 of 49 (57.1) on third downs, with three consecutive games at 55 percent or higher. In a related development, Chicago’s on a three-game winning streak.”
Read more: http://sportsillustrated.cnn.com/2010/writers/don_banks/11/23/nfl-power-rankings-week-12/index.html#ixzz16J38w41e

Yahoo Sports: #12 (Last week: #16)

Analysis, “After baiting ex-Broncos teammate Brandon Marshall into a taunting penalty last Thursday night, is Jay Cutler storing material for next year’s prospective meeting against Josh McDaniels and the Broncos?”

CBS Sports: #12 (Last week: #13)

Analysis, “That defense is getting better and better, which is key as we move to December. The patchwork offensive line is playing better as well.”

Fox Sports: #9 (Last week: #11)

Analysis,“I still have issues with their offense, but the Bears are really starting to play very good football. And keeping QB Jay Cutler under control is a huge key for their success. Chicago’s defense is good enough to keep them in every game — and that wasn’t the case last season.”

Pro Football Weekly: #10 (Last week: #12)

Analysis, “Couple of tough offenses coming up on schedule.”

Pro Football Talk: #11 (Last week: #13)

Analysis, “Beat the Eagles, and then we’ll take the Bears seriously.”

WEEI.com: #11 (Last week: #15)

Analysis, “The Bears defense is starting to emerge. In the past two games, the Bears D has five turnovers and seven sacks, and has held opponents to 2-for-20 on third-down conversions.”