Best File Retrieval Software

[Father Ted]

One of our employees at work has deleted some very important files from their hard drive and I've been tasked with trying to retrieve them.
Can somebody recommend a good piece of software that might accomplish this?

 

[jbloggs]

GetDataBack

File Scavenger

 

[superplay]

Freebee

http://www.recuva.com/

 

[firstborn]

GetDataBack

Has never let me down