bose speakers, an ebay guide to buying bose

Bose is definatley one of the best known brand names of speakers in the world, second hand Bose products tend to attract extremely high prices because people believe they are buying a flagship product.Are they really getting what they pay for ?There are plenty of very well known brand name speaker brands for sale on ebay and some will always hold a perceived value purely because of the badge on the front of the speakers, but when are you buying something which has been well and truly outdated