There's someone here named.... Anne Pinkerton I think. She has a border cardy.
I've often fantasized about a Pembroke with both copies of the dwarfing gene deleted -- I work in a genetics lab -- the dwarfing gene is well-known, quite interesting, a long thread about it here somewhere -- what would a Pembroke be like without it?
Presumably, your dog has 1 copy. I'd like to see more photos of your dog.
I've met only 1 Australian kelpie -- looked like about the physique I'd want -- but I sure like the Pembroke personality.