NEITHER! Ranch is revolting, and Thousand Island isn't powerful enough.
I make my own Italian using the red wine vinegar my second aunt makes up in Omaha for her resteraunt, or used to (she sold it awile ago, but still has her vinegar vats with like $300 bottles of wine IN THE VINEGAR) so its BAD ASS. But i come up with the flavoring and all, so its customizable!
And by the way, I think this is going to be locked soon...