As I looked more closely, the Segorbe dates per the Spain website are tentative as it says "pending confirmation"a nd Sept 8-14 are simply the 2008 dates. The Segorbe website says the festival is usually the second week of Sept Mon to Sun which would suggest Sept 7-13 this year.

I have found little on the 2009 Corre Del Bou dates in Cardona besides one minor reference to the dates i previously mentioned so those dates are uncertain

So, dates aside for now, between the two festivals which would you select?

Thanks again