Something I've wondered about is the ability to create a negative from an E6 film and a positive from a C-41 film. However, without using the wrong process to achieve it, which is what the traditional x-process is. As I understand it, the 1st developer in E6 is basically a black & white developer with some additional silver solvent in it; basically identical to the 1st developer in black & white reversal processing. Then, there is a bleach & re-exposure and the 2nd color coupling development. So, it seems an easy enough thing to just skip the 1st developer, go straight to the 2nd developer, yielding a negative. Alternatively, a C-41 film could be processed in a 1st developer that is nothing more than a b&w+AgX solvent dev'r, and then bleached, re-exposed and color coupling developed to yield a positive. Although, the positive wouldn't be suitable for direct viewing due to the integral masking, it would be finer grained by virtue of being reversal processed and have better color reproduction from the CC-masking. This might make for a superior scanning medium.... *cough *cough So, has anyone done this? How different are the color coupling developers for E6 and C41? If there is no difference, then I guess that basically this is exactly what normal cross-processing is and shame on me for not doing my homework. But assuming they're a bit different and optimized for the particular film, then superior "cross-processed" results might be achieved by this method.