Chris asks: Can these devices [iPhones 3G] be purchased and given as gifts?

No. You will need to walk out of the AT&T or Apple store with the device activated.

Теперь фраза "Лучший подарок на этот Новый Год — iPhone 3G" потеряла смысл.

iPhone 3G must be activated in-store (and other followup questions answered) - Engadget