No chance in hell they stay in the CCHA. They will most likely go to Hockey East with another team (Western Michigan?).
I think they stay out West. Join the super and get a 8 team / 28 game league schedule which minimizes finding out of conference games.This Article kind of verifies that WMU is going where Notre Dame is.
http://www.mlive.com/broncos/index.ssf/2011/07/wmu_unshaken_as_wcha_crumbles.html