My take is that the Chiefs will obviously play both systems via a variety of packages.
In the 34, they will line up Vrabel, DJ, Zach and Tamba as LB's with Vrabel and Tamba on the outside. This plays to his strengths. Beisel, Boiman, Mays and Demorrio will be the rotators.
Tank, Glenn and Turk will line up inside.
In the 43, they will probably drop Tamba. Either way, we will need a bigger central clogging line man on the inside. Edwards is too slow and Turk is not good enough as a DE or DT.
The rest of the defense is most likely:
As for the rest of the team, we appear set on both sides:
I will venture to say the team will look like this: