A few people have been scammed on the site, Only use paypal to pay for items for sale by other members. If they will not use paypal, its likely a scam NEVER SEND E-TRANSFERS OF ANY KIND.
BMW R 1200 GS short rider - YouTube
Just sayin :)
BTW: I´m 5.8 / 30" inseam myself and the stock NC700X fits me just well. I´m kinda on the heavy side though :)
It´s a shame they don´t offer the NC700S in the States which has a lower seat height.