by the way - this is the kind of stuff you can do if you have a good long lens, solid tripod and a robotoic panorama head:

31 gigapixel Swiss Alps:
http://www.hdviewpano.com/DeepZoom/Panos/naturpanorama_ch_P006061.asp


My goal is to at least get some 5-10 gigapixel images from the Muir Trail captured next time I'm in California.