For those of us wanting an iPhone but not willing to pay the outrageous mandatory monthly contract fees - hold out to get the iPhone 4S on Virgin Mobile via Sprint coming soon. Following Cricket, Virgin Mobile will offer a pre-paid iPhone 4 and iPhone 4S plan - giving you a chance to own an iPhone for only $30 a month. The original rate will start at $35, with Virgin offering a $5 discount for customers who sign up for auto-pay. This means you will only pay $30 for 300 minutes, unlimited interne...