For those who are interested in buying new (with free shipping in the USA), check out...
http://www.backcountry.com/Store/catalog/search.jsp?q=oakley&s=a&sort=-discountpercent
Some models seem heavily discounted.
I just bought a pair of Pit Boss II which arrived today (when they were 60% off). Pretty quick postage and are originals.
P.S. Attention ops - If this isn't where this post should go, please redirect!!