Was Survivor Samoa taped before Heroes vs Villains?

Yes, Survivor: Samoa was taped before Survivor: Heroes vs. Villains. Here is the chronological order of these two seasons:

1. Survivor: Samoa: This season was filmed from July to October 2009 and aired from September 16, 2009, to December 16, 2009.

2. Survivor: Heroes vs. Villains: This season was filmed from February to May 2010 and aired from September 22, 2010, to December 15, 2010.

Therefore, Survivor: Samoa was taped and aired before Survivor: Heroes vs. Villains.