If you shoot RAW and use a Windows 7 system, a great new update was released that allows you to view the RAW Files (.CR2) right in Windows Explorer (instead of having to import into Lightroom, Photoshop, etc). This is great for having to go back and quickly flip through images… Here’s the Download Details – Microsoft Download Center – Microsoft Camera Codec Pack http://www.microsoft.com/download/en/details.aspx?id=26829