I remain confused about the advice we so often get to shoot both RAW and JPEG. For two reasons;- 1. Is there not a JPEG contained in the RAW image? Surely that's what you see on the rear screen when you shoot in RAW? I've also been told that the reason my Epson P3000 storage device/image viewer (and other similar models) can show any RAW image, even from cameras made much more recently, while loading a RAW file onto a computer requires more up to date software to open it, is that the Epson isn't really showing me the RAW, just the JPEG within it. 2. If you really want a JPEG as well as a RAW, you can make one and do a "save as" in camera or later, which saves both that and the RAW original surely? There are even high-end cameras with two card slots, on which people save RAW to one and JPEG for all the same shots to the other. I don't get it. Perhaps I might feel differently if I owned, or had shares in, a memory card manufacturing business?