Just to share with you. Microsoft has released an update to WinXP for RAW support.
You can now view your RAW files in windows without the need of any 3rd party software. Read the white papers for the supported models.
Supported camera models are:
Vendor File Extension Camera Models
Canon TIF EOS 1D, EOS 1Ds
CRW EOS D30, D60, 10D, Digital Rebel, various PowerShot models
CR2 EOS 20D, 1D Mark II, 1Ds Mark II, Digital Rebel XT
Nikon NEF Nikon D-series digital SLRs and various Coolpix models
Kodak DCR Kodak DCS camera models
Olympus ORF Olympus E-series camera models
Fuji RAF Fuji S-series camera models
here is the link: