The problem of recovering accidentally deleted files was solved largely by the implementation of the recycle bin in Windows - allowing users simply to select 'Restore' from the right-click menu.
How many times have you deleted something from your hard-disk and immediately realized you made a mistake How many times have you shift-deleted something really important, only to bang your head on ...
I don't know for sure, but if I had to take a guess, I would say that no, the only way to get the data back would be to send it to those people. But to be perfectly honest, those prices look pretty ...