It's another string to the bow - so why not?

Have a quick look over the screen casts. If you're familiar with those tools you'll map the concepts pretty quickly.

http://code.google.com/p/google-refine/

One place where Refine distinguishes itself compared to those tools are its quick visualizations of subsets of the data. In the article the author is able to tell that a column is always blank, and thus worth dropping, but Refine can do a lot more there.