I know this topic has been discussed ad nauseam, and I have read over some of the older posts on this topic. My Oakley Penny's are on the way back from Mark 2112 as we speak, and the original lenses in them are not in the best shape, so I would like to replace them. I know OEM is the way to go if possible, but since lenses for the Penny's are hard to come by, what is the best choice as far as aftermarket goes? I know clarity will not be up to par with an original Oakley lense, but I'm looking for something that doesnt break the bank, good quality and a nice tight fit. I was looking at a set of Exovista lenses, their CF4 model which is supposed to be similar to Oakley's black iridium. Any thoughts on overall quality of these? Is there a better choice I should look at? Thanks in advance for your input.