Yeah, (best "Geg" impersonation voice) you have returned!
It was a little finicky getting HK separated from his cheap copies in the 2da file, but well worth it in the end. I do think though, that you should probably keep the awesomely scarred and pitted iron texture just for the "obsolete" original. The 50's are meant to be passing as the fancy new model seeded among the Republic diplomatic corp.
I'm sure though, that what you will provide us with in the end, Selkath, will be a marvel to see. And we'll all say: