Just found out from BBTS, other then the symbol, there is no difference between the BiS and CaC version of Rodimus. So no clear window. They said and I quote.... "There isn't too much difference between the two sets. The hasbro version has the blue colored windows. The figures also have their emblems on the chest whereas the Takara ones do not. Other than that, they appear to be identical. This is based on holding them side by side in their packaging and from input from our resident toy expert." Guess my Henkei, Classics, and CaC version will have to do.