plaid and florals

What Are the best men's sunglasses (Maui Jim's, Ray-Ban, etc) that look good, are functional, and won't go out of style?
What do you think of these shades? Okay, Paul, I think you are more Brad Pitt, than, say, Tom Cruise. So, when you are in iGoogle Images, type in the search bar "Brad Pitt sunglasses." A lot of photos of Brad Pitt wearing sunglasses will come...