I've also had the double charge problem when paying at a restaurant (to the tune of several hundred dollars), although epass managed to remove it without needing a fax. I still don't understand why the restaurant charged me twice, the initial auth was fine and the second charge took a day or two to appear, with a slightly different merchant name.
Anyway, I think I've used my physical epass card twice as a "credit" card... so that's a 50% failure ratio. I'll stick with using my standard Visa from now on, epass is only for getting cash out of the ATM.
