Transcripts & audio of the March 26, 2012, hearing on the applicability of the Anti-Injunction Act to the Patient Protection and Affordable Care Act have been posted on the Supreme Court's website:
Transcript: http://www.supremecourt.gov/oral_arguments/argument_transcripts/11-398-Monday.pdf
Audio: http://www.supremecourt.gov/oral_arguments/argument_audio_detail.aspx?argument=11-398-Monday