Doubtful. Try the solutions from http://forums.cnet.com/7723-7588_102-354911/lost-and-found-or-the-storage-forum-sticky/?tag=contentBody;threadListing
Start with free. Then free-to-try. Then the data recovery houses.
First thing to do: make an image of the disk to another one and work on that copy on another PC.
I've utilized the System Restore on my Sony Vaio but accidentally erased my pics, videos, & other docs. Is it possible to retrieve them?