You can see 25600 ISO pictures taken with the new Nikon D5100 here :
http://www.flickr.com/photos/rob-1/5593495815/
http://www.flickr.com/photos/rob-1/5594082368/
http://www.flickr.com/photos/rob-1/5594082368/
http://www.flickr.com/photos/rob-1/5593493217/
http://www.flickr.com/photos/rob-1/5594077654/
6400 ISO :
http://www.flickr.com/photos/rob-1/5594078550/
http://www.flickr.com/photos/rob-1/5594079936/
http://www.flickr.com/photos/rob-1/5593494297/
3200 :
http://www.flickr.com/photos/rob-1/5594081380/
1600 ISO :
http://www.flickr.com/photos/rob-1/5593493519/
http://www.flickr.com/photos/rob-1/5593491605/
http://www.flickr.com/photos/rob-1/5593495815/
http://www.flickr.com/photos/rob-1/5594082368/
http://www.flickr.com/photos/rob-1/5594082368/
http://www.flickr.com/photos/rob-1/5593493217/
http://www.flickr.com/photos/rob-1/5594077654/
6400 ISO :
http://www.flickr.com/photos/rob-1/5594078550/
http://www.flickr.com/photos/rob-1/5594079936/
http://www.flickr.com/photos/rob-1/5593494297/
3200 :
http://www.flickr.com/photos/rob-1/5594081380/
1600 ISO :
http://www.flickr.com/photos/rob-1/5593493519/
http://www.flickr.com/photos/rob-1/5593491605/