http://www.microsoft.com/downloads/details.aspx?FamilyID=d48e808e-b10d-4ce4-a141- 5866fd4a3286&DisplayLang=en
Not sure how old or new this info is,but it looks like a viewer and orginizer for Nikon and Canon RAW files. I'm going to install it at home and see if its woth while as a viewer only. Don't know if Pentax and others will be added. Dave