Oral arguments in Cienega Gardens v. United States (Fed. Cir. No. 06-5051, Apr. 2, 2007), a case involving the application of the Penn Central ad-hoc test for regulatory takings, have been posted in two parts on the Federal Circuit’s web site: part 1 (68mb mp3), and part 2 (7mb mp3).
Also posted is the oral argument in the related case, Chancellor Manor v. United States (Fed. Cir. No. 06-5052, Apr. 2, 2007) here (39mb mp3).