for those looking for cheap photochromic sunglasses for the summer, performance has their own brand for 50% off, today's the last day for the deal:
http://www.performancebike.com/bikes..._1096395_-1___
if you go in the stores it's $10 cheaper (YMMV) than online but the 50% still applies!
They're very light and versatile, i've had no complaints with them thus far for the past year.