[URL]http://en.wikipedia.org/wiki/Hd_Photo[/URL]\n\n"HD Photo has been announced by Microsoft and the Joint Photographic\nExperts Group to be under consideration for a JPEG standard, tentatively\ntitled JPEG XR.\n\n"The HD Photo bitstream specification claims that "HD Photo offers image\nquality comparable to JPEG-2000 with computational and memory\nperformance more closely comparable to JPEG", that it "delivers a lossy\ncompressed image of better perceptive quality than JPEG at less than\nhalf the file size", and that "lossless compressed images … are\ntypically 2.5 times smaller than the original uncompressed data".\n\n\n[URL]http://blogs.msdn.com/billcrow/archive/2007/12/06/hd-photo-plug-ins-for-photoshop-are-released.aspx[/URL]\n\n"HD Photo plug-ins for Adobe® Photoshop® CS2 and CS3 have been\nofficially released for both Windows and OSX. They're available now from\nthe Microsoft Download Center. [Links on this webpage]\n\n"The Windows version is supported on Windows XP and Windows Vista, and\nworks with Photoshop CS2 and CS3. While not officially supported, it\nwill also work with limited features with older versions of Photoshop\nand with Photoshop Elements. The included README file has details.\n\n\nFor PSE6, I installed it to\nC:\Program Files\Adobe\Photoshop Elements 6.0\Plug-Ins\HD Photo Plugin\nfor Adobe Photoshop\\nIt works properly, as far as I can tell, for both Opening and Saving.\nFile size and processing speed seem consistent with the claims for the\nformat.