This is what $430 will get you from keh.com, shipped to your door. It was in 'BGN' condition on their website, and it looks like it's been lightly used, if that. There doesn't look like any brassing that I've noticed so far. Some of the 'EX' coating is starting to rub off a little on certain edges, but no metal peeping through. The mount is pristine and so are the contacts. It doesn't have the hood or tripod ring, which is going to cost me about $100 new from sigma ($25 for the hood, $75 for the ring). Still, these are hitting the used market at about $600-650, so I saved myself a hundred bucks, not too bad. Plus, I'd have to deal with ebay for those where I don't have a 14 day, no questions asked return policy. A lot of people were wondering how this lens performs, and it's true, it's soft at f2.8 @ 200mm, but probably still usable (I thought it was just the macro version that was soft). It's nice and sharp at f4, and it'll most certainly hold me over a year or two until I can cough up for the Nikon. The autofocus is plenty fast too, I haven't used an AF-S lens for a while but I think it's nearly as fast as that. Certainly faster than AF-D, atleast on the d80.