canned conversions are almost never optimal.
I do agree with you. When I have found an image that I really want to enhance the last thing I want is a canned conversion. Here is the problem though, the huge majority of my images probably don't deserve hours of my time in front of a computer screen.
With film
1. Film goes in camera (same as digital)
2. Capture images (same as digital)
3. Remove film and mail to lab, or take to Wal-Mart, whatever. (Like removing card and inserting into computer.)
4. Lab develops film and returns negatives (RAW files), prints (JPEGs OR TIFFs) and a Photo CD. (There isn't really a digital equivalent to this. Right now the answer appears to be downloading raw files to the computer, manipulating them individually, saving, and then printing, or having someone else print them. That is an awful lot of seat time in front of a computer just to see the same prints I used to get in the mail. Keep in mind, we haven't even reached the point in the digital flow where we have a wonderful image worth our time.)
With film, at this point, you go through your prints, or the computer files, select the few images, if any, that are worth some additional work, and decide what you want to do. I don't know about most people but the great majority of my images are not worth wasting any more of my time.
Now a lot of people enjoy working at their computer and spending time doing all this. But digital is supposed to make things easier, not harder. If I do want to spend that time at my computer, great. Otherwise it seems that I am stuck.
I guess that my alternative is just to transfer image files from the card to the hard drive without even opening any software. Then take my card to Wal-Mart, insert it into their computer, and select the images I want them to print. Once that's done I can re-format the card and start over. Maybe I am making this harder than it needs to be. However, by doing this I also lose the black & white images I have been capturing since I will have to start saving my JPEGs in color instead. I know, I know. The black & whites the camera provides are poor substitutes for what I can create by spending my time manipulating the image with Photoshop, but I am not looking for awesome black & white. I am only taking advantage of my digital cameras conversion process to help me learn to see the tonal differences that come with black & white. If I spot something worth taking the time to work on I'll pull the RAW file and start a full conversion.
I know there is an answer, I just haven't found it. Right now I don't want to move from film to digital and lose the negatives and prints I get with film. If I choose only to shoot JPEG I have lost the wealth of image data that comes with that RAW file.