According to Brett McMurphy at ESPN, Chicago State is leaving the Great West Conference is go to the WAC in 2013.
The WAC wil consist of the following teams in 2013:
New Mexico State
Seattle
Cal State Bakersfield
Grand Canyon University
Texas-Pan American
Utah Valley
Chicago State
It looks like what remains of the WAC is merging with most of the teams of the Great West Conference with the latest moves.