If you do find a winner, you're likely looking at a short sale unless by chance the owner is not upside down. Then I would recommend getting a goos short sale realtor involved to negotiate this with the lender.
Contact a Trulia agent local to area, or google search for a Realtor
Not all sites require monthly fees publish accurate information, most have outdated info and etc.
A Realtor can interview you, copy of lender specifications forward you updated listings via MLS
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Contact a local Agent and they can give you more information about a particular property. Also if it is still in process-the agent would be a great asset in negotiating a short sale buy with the owner-before it goes to auction.