blu-ray/dvd releases for 03/29/11

'black swan' (2010) directed by darren aronofsky
written by mark heyman, andres heinz & john j. mclaughlin

'the spongebob squarepants movie' (2004)
directed by stephen hillenburg & mark osborne
written by derek drymon, tim hill, stephen hillenburg
kent osborne, aaron springer & paul tibbitt