Panoramic photography websites

Though there are countless sites on the net, I serendipitously discovered some of the best of them.
http://www.photopano.com/ is a great site, though in French. Nevertheless with my very limited knowledge of French and Google translator I was able to understand a lot. This site is laden with so much good information and links.

I found the direct comparison of Horizon 202 and Hasselblad Xpan so useful.
http://www.photopano.com/h202-xpan.htm

From the links I found one great site on panoramic compositions, by Hervé Sentucq an important topic that is not very much talked about.

Then I was amazed to discover a great list of panoramic photographers