Collector and professional recluse Charles Saatchi will open a spectacular new public home for his vast collection of contemporary British art later this year, and early indications are that it will immediately become one of the UK’s hottest art destinations. Its proximity to the Tate Modern is also sparking rumors of a not-so-friendly rivalry. But for every visitor who comes for the art, another will come to see if the gallery holds any revelations about the gruff and mysterious Saatchi himself.