I don't know how it is in most of countries, but Japan is definitely good for bootleg recordings. I don't mean stuff like you see now around europe, all the pirate presses of whatever albums on LP. You got to be very careful these days when at record fares or such, when seeing deal that is "too good to be true" and it is big chance its just replica of old album..
With good bootlegs, I mean of course live recordings, demo recordings, things that never came out officially.
I got this quite demented passion to "collect" Guns'n'Roses stuff. I don't that much of mainstream records in general, not even rock music, but for reason or another, few hundred GNR cd/lp, hah... Japan was place where you could just walk into record store and find things like Chinese Democracy live 3xCD box before the album was even nowhere near to be released. Leaked unmastered recordings. All sorts of weird stuff you'd never really see anywhere. In tokyo, there would be tons, at least back then.