Actually, it looks like ebay prices are already starting to come down. In the last couple of weeks, I've noticed that a lot of stuff, even the cheap stuff, isn't selling. Alongside that, I've noticed new listings for stuff at lower prices than they used to be awhile ago and it still isn't selling. That tells me that any arguments about "supply and demand" are invalid because the demand doesn't seem to be there anymore. Admittedly, this could just be a temporary dip, but I'm hoping it's a permanent one.