I thought this site was interesting. It's a site that analyzes your writing style. I pasted in two different samples of my writing. An essay I pasted in came up as like Chuck Palahniuk - he's the author of Fight Club.
Another essay I pasted in that was mainly dialog came up as like J.D. Salinger!
There is likely no science involved and is just a great way to make writers feel better, but in any case, I'll take it.