I also have been a nothing but Smith guy for over 20 years. I agree on their polarized glass lenses; very durable. The Ridgewell is my current favorite:
http://www.smithoptics.com/us/Root/Men%27s/Sunglasses/New/Ridgewell/p/RIGPPCPTT
Customer service is the BEST; recently shattered a pair(totally my fault) and sold me a new pair at 60% off, free shipping. Hard to beat that.
