I've tried both jpeg & RAW.
I've set my camera to save jpeg & raw as well sometimes & spent ages looking for massive improvements in the raw image.
I must be doing something wrong, because I can never tell the difference.
I will agree though that if I was shooting in potentially tricky situations, I would probably choose raw & jpeg just to give me the option of fiddling about with exposure a bit more later.
But for 90% of the time, I struggle to see that the benefits outweight the downsides for my photgraphy.
I am concerned about the future-proof-ness of my raw files. Each camera needs it's own raw converter s/w, as I understand it.
In 20 yrs, what are the chances that Adobe will still be doing Photoshop with raw converter that will work with my D80? Will they support every camera that comes out for ever more? Genuinely, I don't know whether they will or not? Or whether I have missed something and this doesn't actually matter.