If you want the best shot at retrieving lost data without resorting to a service, R-Studio Data Recovery is the bullet.

However, the focus of this review is R-Studio, which R-Tools Technology claims is the "most comprehensive data recovery solution." R-Studio (depending on your OS) encompasses features from the ...

R-Studio Data Recovery comes in a number of different flavors besides the plain $80 version I tested. For example, there’s a Network version for recovering across a network, and an Emergency version ...