I recall chicago killing seattle and shutting down that 4-5 man receiver set. I dont think they'd have too much trouble with indy at home.
The only problem I see of da bears is their road game, which is where they've struggled (AZ & MN). At home their savages (at home they've outsocred their oponents 152 - 30).
They got a tough road trip coming up - Jets, Giants and Patriots. All in a row. I wouldn't be suprised if they lose a game or two during this stretch.
But I don't think there is a team in the NFL that can beat them at home. And they should have home field advantage for the playoffs.