Seems like you have a knack for picking the really reputable sellers. I know nothing about TESP but just quickly browsed their offerings. I noticed the "Thai salak" of the variety Pondoh. Pondoh is from Java. When did Thailand annex Java? Looks like another one to avoid ...
http://www.ebay.com/itm/Queen-of-Fruits-PURPLE-MANGOSTEEN-Garcinia-mangostana-RARE-Fruit-Tree-in-Pot-/140952930203
Look in the undeveloped fruitworld of hawaii they still sell a mangosteenseedling for 60$. It will fruit after 10-20 years only.
Oh and don't email me for precocious seeds, you can order them here:
http://www.tropical-exotic-seeds-and-plants.com/storefront/index.php?main_page=index&cPath=1&zenid=0d452f56b1d9d17eaca42170e87060e6
AVAILABILITY: NOW
8 Fresh Salak Seeds (sweet type, Salak Pondoh)
Salak (known as Salacca / Zalacca / Snake Fruit ) is a species of palm tree Arecaceae. It is native to Indonesia,Brunei and Malaysia.
Kingdom: Plantae
Order: Arecales
Family: Arecaceae
Subfamily: Calamoideae
Tribe: Calameae
Genus: Salacca zalacca
Hahaha, maybe this seller has a salak pondoh tree in the garden? Or maybe these seeds were sent to them from Indonesia:
Which part of that you don't understand? Thanks for the chuckle! It seems there are many funny persons on hawaii, maybe fun to go on holiday there.