Is stress good for you?

Over at Shine Work + Money, I'm writing about stress and whether or not stress might actually be a good thing:

I'm not superwoman -- I have more than my fair share of unmotivated moments. And I am a champion procrastinator. (I'm a journalist! We work best on deadline!)
But when my stress levels are highest, my productivity skyrockets.... [More]

Do you work better under pressure?