Fair point mate and i have to agree with you on the socialising etc, however i say the above for this reason.
My father in law bred a litter back in december and the variation in the pups now is unbeliveable, What with 4 of the pups going to people we know or keeping in touch.
The pups looked all roughly the same stamp at 8 weeks old so he chose a bitch, now this bitch is at the moment about 21" tts and a mixture of the dam and sire.
The 1 a friend of ours has is roughly 25" (the size of both sire an dam) at 6 months!!! and a monster of a dog.
A dog a local lad has is roughly 19" and allmo