I have a radiator from a '99 that doesn't leak, but is just starting to turn brown. It may last another few years, it may not last through the summer. For all I know, this radiator could have over 249,000 miles and ten years on it. If you really need a radiator for your NB and you are really short of funds, this may be a deal for you. Otherwise, probably not.

It is the radiator on the right in these pictures:
http://www.mikewalsted.com/RadBoth.jpg and http://www.mikewalsted.com/RadBothOffset.jpg