Default xdaIIs and xdaII rom upgrade help

hi i would like to know if the new XDAIIs rom and version is also the 1 we are using in xdaII? the 1 we downloaded here.. wmse asian edition rom 2.06 radio 1.18... is it desame? i really wanna know. coz if its not the same then maybe i should get 1 xdaIIs.. tnx!