I am a huge fan of the MEC espressos. The optics aren't amazing, but for my applications they are fine. My applications include: throwing them in my bag without a case followed by my locks, putting them in my pockets with my keys, losing them, having my girlfriends dog chew them up, riding with them all through the year in all different light conditions. They work well on the bike, on the slopes, on the boats and on the street.
I can't say anything about surfing but I would imagine anything thats not a goggle with elastic straps would be easily lost on the waves, 'maui jim' or not. The only thing I am missing would be polarization but I think that it is pretty overrated for most applications anyways. 6 dollar replacement lenses are just about the sweetest feature any sunglasses in the world could have.
My one pair of oakleys I owned I lost... never again!
Oh yeah, I convinced the guy I work with not to buy a second pair of oakleys. All I had to mention was 'beer money' and he came to my side.
Were I to buy a pair of oakleys today they would probably be these: