I don't guess it really matters about the tails. I know that Biewers keep theirs, but I would think that Partis would have them docked.
In actuallity, seeing as Parti is not yet recognized as a standard, I don't think there would really be any standard for keeping or docking the tail either. I mean, the color isn't standard, what would the tail matter...KWIM?
Looks like that choice is completely up to what YOU prefer.
Thanks for sharing the pics!