These sunglasses are pretty good, the only problem is I spoiled myself with the great pair of Serengetis that got stolen out of my car :(
Maybe it's not fair to compare these to those, but the bottom line is you get what you pay for.  I like the style on these, they're just a little uncomfortable to wear for extended periods of time.  They're OK for the half-hour drives in my car, though.  Everything seems a little foggy-looking compared to the higher-end glasses I've worn and the polarization doesn't seem to cut down on the glare like my other ones.  Like I said, for the price the styling is nice, they get the job done, cut down on glare and I like the crazy colors.  Definitely better than any cheap sunglasses you'd pick up at a convenience store, that's for sure.