"Was the photo of the goats courting censored? It is not showing on either my computers. I thought it an interesting spectacle-buy the way they were just chasing each other around I don't think he ever got her.........."

Hey Marty,

I never saw these images. As for the price differential between the TCs - not sure. I do know that I found the Canon 1.4 to be of higher quality than the Sigma that I had. Specifically, images were sharper at F4 and f5.6 with my 70-200L.

-JM