Both Telecom Italia Mobile and Vodafone have revealed their pricing on the iPhone 3G for pre-paid customers. The non-subsidized iPhone will be available through both carriers for 499 euro for the 8GB model (around $777) and 569 euro for the 16GB model (around $886). Unsubsidized pricing for the iPhone 3G remains uncertain in a number of regions, including the U.S., where certain AT&T customers may have to pay the higher price due to contract limitations.…