To the OP:

The best beginner GTP is one that is feeding and healthy. To get that, shop around and communicate with the seller.

It is tons easier and more likely to find a handleable snake (of any species) to specifically shop for one that is already handleable than shop for specific locales/subspecies/whatever and take a chance on "statistics" and heresay.

If you want a healthy, feeding, handleable GTP, buy one that is already all of those things, regardless of locality.