I'm a big believer of Adobe's DNG Converter to bring all the various proprietary camera raw file formas under one roof so to speak, so here's the link to the download of the latest and greatest, ver. 7.3. This should cover pretty much all new camera raw files.
If you prefer to cut-and-paste:
http://www.adobe.com/support/downloads/thankyou.jsp?ftpID=5518&fileID=5529
