<What are your opinions on the need to buy USA warranty vs 'grey market' products? Don't some of the reputable mail order companies offer their own warranty that the product will last some number of years?> Please see http://www.bhphotovideo.com/greymkt.html for a discussion on "grey market." You should be aware that Nikon currently offers five (5) years of warranty coverage on their D-AF and IX lenses. So-called "grey market" lenses are warranted for one (1) year. Extended warranty coverage is available, but adding that cost brings you to the "USA" price in some cases. Hope this helps. regards, Henry Posner/B&H Photo-Video http://www.bhphotovideo.com We will be closed Friday, January 1, 1999