Hey new guy(teak importer), Welcome,
A couple of notes about teak. It has been used for floors for very many years (a long time) so not a new product. It is one of the most stable woods available. So stable in fact, that is it the prefered wood for wood boat decks. Resistant to rot, warping, cupping, or any movement. You can soak the stuff in water and it will not suffer ill effects. However, it is low on the hardness (Janka) scale, around 1000, about where N. Americam Black Walnut is. So if buying a true teak floor, expect denting and such. It also has quite a bit of variation in appearance. Nor is it inexpensive. One of the first truly exotic woods available for floors. Unless you are enamored with it's appearance, there are better woods for floors.
http://www.floorings.com/tech/hardness.shtml
http://www.floorings.com/wood/teak.shtml
http://www.wflooring.com/Technical_Info ... k_true.htm