B stock should be clearly listed as such. I sell a lot of it, and my customers get the same support/courtesy as if they walked in the store and paid retail. I'm not sure how B stock could ever be worse than used. It may, or may not have been used, could be a demo for a show, or a simple return, but it still carries a manufacturers warranty. I don't think you will get that in most cases with used gear. Even though I can get anything we carry at cost, EVERY piece I use myself at home is B stock. It saves me a ton of cash. It's like buying at used prices, with a warranty. (I'm more than happy to sell "A" stock to anyone that wants that) I will agree there MAY be dealers that don't disclose everything. I like to think that is rare. I certainly am not one of them.
***dealer disclaimer, in case you didn't guess***
***dealer disclaimer, in case you didn't guess***