Unless I'm wrong about one of the following:
K-state is 4-4
ku is 3-4
Mizzou is 3-4
Both ku and Mizzou hold the tiebreaker over K-state, and one of them has to win. K-state is guarunteed a tie for second in the north, although 3rd for standings purposes due to the tiebreaker behind the winner of the Squawk/Moo game.
Basically, the winner this weekend gets placed above K-state in the standings, and the loser gets placed below. The best thing is the winner can do no better than K-state conference record wise.
Therefore if ku wins, they lock second in the north and are guarunteed a bowl game(most likely a conference bowl bid, but a possible at large if OSU also wins.) If not, either ku or OSU will be chosen to take up the 8th conference bowl spot. The team which is not chosen likely stays home(unless by some miracle there are not enough 7 win non BCS teams to steal up all the at large bids, which is highly highly unlikely.)
Why am I explaining all this to you? Shouldn't you know this already?