AT&T and Apple today announced three service plans for iPhone which start at just $59.99 per month. All three plans include unlimited data, Visual Voicemail, 200 SMS text messages, roll-over minutes, unlimited mobile-to-mobile calling, and a specific number of voice minutes. With everything else already included, iPhone customers can easily choose the plan that's right for them based on the amount of voice minutes they plan to use each month. In addition, iPhone customers can choose from any...