The Sony Ericsson Xperia Ray is out in the market with both carrier based plans and with unlocked handset. Though, Sony Ericsson Xperia Ray is not something worth locking with any carrier as the price is $300 under contract and retail version costs in between $500$-$700.
Carrier based plans usually offer phone insurance with most of the Sony handsets with that yearly contract.
So If you don’t want to get locked out with any carrier nearby then only option is to get unlocked handset. In my opinion purchasing retail version is much better option If the carrier plans are expensive for your usage.
