Stubborn pride dtrain is all it is. Being a "Clyde" my primary choice would be the CXP33 since it seems to be the weighty version of an open pro.
105 would be a minimal buy while I'm debating Ultregra. Again if resizing an Ultregra hub to 126 is non reversible then that puts a scratching holt on bike money. Where I will most likely then begin to adopt your mentality.