I'd have to go with evil me.
If I were evil, I wouldn't be violent and vindictive, I'd be selfish and manipulative, so I can't imagine much harm being done in a day. And there's a good chance he'd find me a girlfriend.
Would you rather be a transporter clone of somebody, or lose all your memories?
Replete with removable sideburns? Make me a clone.
Would you rather wake up to find that you've been change into a Romulan or a Cardassian (it's not clear that the changes are only cosmetic)?