FYI... No, you don't need JPEGs to "see what you are working on".

Install FastPictureViewer codec on your Win7 computer and you 'll be able to "see" RAW files.... and can stop having to capture RAW+JPEG.

$10.... https://www.fastpictureviewer.com/codecs/

FastPictureViewer codec will enable viewing almost any RAW on almost any version of Windows. I've used it with Canon, Pentax, Olympus and Nikon RAW files. It also allows you to view other types of files such as TIFF, PSD, etc. (It's better than the free Nikon codec, because that ONLY works with Nikon NEF files.)

Once the codec is installed, images can be seen in Windows Explorer as thumbnails (various sizes may be possible, depending upon Windows version).

Images also can be seen enlarged in Windows Picture Viewer... RAW will appear somewhat lower contrast and desaturated because Windows isn't color calibrated. But it's good enough to check focus, composition, image content, etc.

P.S. It also may be a bit misleading to "judge" RAW image files based upon a JPEG produced in-camera. All digital cameras take RAW image initially. When you set the camera to save JPEG, to produce that they essentially are doing a quick RAW conversion according to the settings of the camera: contrast, sharpening, noise reduction, saturation, etc., etc. The result may or may not be what you would have chosen, had you done the RAW conversion later on your computer. Of course, you can change the RAW to taste, since you're capturing both RAW & JPEG. My point, though, is that the out-of-camera JPEG may or may not be a very accurate representation of the image. That JPEG has been "modified"... maybe only a little... maybe a lot!

We have a problem that evidently started a couple of weeks ago following an update. Our email service is Comcast Xfinity, and since the update we haven't been able to open jpeg attachments. We have this problem on two computers, but on iPad, attachments open as usual. No problem with Windows Live Mail either. We think that maybe some of the security settings were changed when the program updated, but we haven't been able to get any help from the ISP. They tell us that nobody has ever called them with anything like we describe, and their suggestion is for us to buy a service with them. Has anyone else had this same type problem? Any suggestions would really be appreciated.