I”ve been testing out a workflow for the photos from my DSLR, and I was leaning toward converting everything to DNG raw files. However, Adobe’s DNG codec (which lets Vista and Windows Photo Gallery view the pictures and edit the metadata) has been less than stellar, feature-wise. The nail in the coffin for me, though, is that it throws Windows Search into conniptions. Ardfry has a shareware DNG codec that I’m going to try.
A couple of other options: