If you know what you want to achieve in regards to color, noise, sharpness, etc, before you shoot, there is no "need" for RAW. For instance, when I shoot a car, I know my white balance is correct, I control the lighting with either my lights, and I can shoot 100 ISO, therefore I only shoot in JPEG. But, last night, I shot a concert in a bar and the lights were dim, unevenly colored, and very unevenly directed. Even using my primes @ ~f/2, I knew I had to crank the ISO up around 2000 to 3200 to shoot handheld, so I shot RAW. This way I can go in later and apply my noise correction and make subtle color balance changes in RAW. If I were to do this in Photoshop with a JPEG (at least with the resources available to me), It'd likely create artifacting and hurt the image quality, which is already less than I wanted due to the high ISO. I'll post some when I finish them.
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