w-inds. Collection Pro

W-inds. Is a vocal and dancing group in Japan. Many albums/singles/DVDs has been published since its birth in 14-March-2001. Many of the discs are in multi-version. Fans of w-inds., have you ever forgot which disc and which version you've got at home? When you saw the discs of w-inds. In some shops, have you ever got confused?