Found this in Soompi, not sure as to the reliability of this.
some random stuff about the limited edition compiled from different websites:
CD1：15 tracks, 16 versions
DVD2：SOULPOWER Live/Digest of Second Tour Final
初回限定封入特典■ジャケットサイズカード（全6種うち1種をランダム封入）[1random photo card]
初回限定映像特典■プレミアムミニLIVE映像 [premium mini live]
Third full-length album from Dong Bang Shin Ki. Disc 1 includes many of their single A-sides, completely brand-new recordings, and Japanese-language versions of classic DBSK tracks for a total of 15 songs (16 versions) (details subject to change). Disc 2 features three DBSK compositions (subject to change). This version includes two DVDs--one with music videos for a vareity of DBSK songs like "Lovin' you," and "Summer Dream," and one DVD with digest footage of the finale for DongBangSinKi's second tour.
credits:xiaholic @ soompi