50 Greatest HitsFor those familiar only with the King of Rock & Roll's name and reputation, the prospect of buying a best of can be quite a nauseating proposition. The huge range of compilations available varies in quality, and depth, but as yet there exists no definitive choice for first time Presleyers. RCA's latest attempt to correct this is perhaps the finest best of Elvis Presley ever. Spanning two CDs and, as its title suggests, 50 songs, all the classic tracks