Those are the ones I was referring to - rares in The Barrens, Stonetalon, etc. I levelled two toons from 1-80 during Wrath while using SD, and it picked up many many many rares through the whole course. :P
Exactly why I raised the question.
In my personal experience (having used only SilverDragon), SilverDragon appears to pick up everything. Which is what led me to wonder why so many recommended _NPCScan, and no one (from what I've seen) recommended SilverDragon.
I suspected there really wasn't a lot of difference between them, it would seem odd to me if there was, and indeed it seems there isn't. They both pick up everything in pretty much the same way, with the same kind of warning system.
i currently just use both for perhaps a better chance of getting a good rare, but both seem to work well, silverdragon is updated with every rare in wow and picks up rare multiple times and is easy to use, they arent perfect but _NPCScan seems to be a bit less successful in my experience in which i was right on top of a rare and only my silverdragon ever goes off. IE. Amka'hat, armagdillo, Mysterious Camel Figurine, etc... all of these and more usually the only one to go off for me is silverdragon, i just keep NPCScan as a safety net :P
---------- Post added 2011-06-21 at 01:18 PM ----------
Personally i think Silverdragon is a less known addon otherwise not so many ppl would be using _NPCScan if they knew how crappy it was. But ppl have their reasons
Stop making me repeat myself! Its bad for my health!*Gundam Wing (Duo)*