You may have heard that Seattle is traveling to Cincinnati this weekend for a difficult inter-conference game. To beat the Bengals, the Seahawks will need to dominate the "little things" (TM).
After about four games I think the season-long statistics start to become meaningful. (Even then, as we know, schedules can be difficult to account for. So, you still have to take the stats with a grain of salt.) That said, on a per drive basis, the Bengals are playing some very good football, lest you thought there was anything flukish about their 4-0 record. Seattle has been all of boom or bust in its two wins and two losses.