Hm, i got realy bad seams, atleast i tought they where quite bad. Looking at the script right now, seams realy nice. Hope luxology does make modo more game friendly :)
The other thing about Modo and xNormal is that "out of the box" Modo won''t export proper vertex normals to xNormal via OBJ. You need to change the "Smooth Normals" settings for both the low poly and high poly models in xNormal from "Use exported normals" to "Average normals". Spliting the edges in on your model in Modo…