Complex sentence: Shortly after the release of the album, Slowdown Virginia broke up--but most the members went on to form Cursive, who have since become major contenders in the indie rock circuit, making Dead Space a major collector's item.
Split into simpler sentences: Shortly after the release of the album, Slowdown Virginia broke up. Most the members went on to form Cursive, who have since become major contenders in the indie rock circuit, making "Dead Space" a major collector's item.