Obviously the artist matters more than the printing media, but I think there's a grain of truth in the notion that collectors prefer Ciba/Ilfochromes to other media. If the same artist were offering giclee/Ultrachrome/inkjet, C-prints, and Ilfochromes of comparable quality, I'd bet the serious collectors would take the Ilfochromes over the others, in part because it's been around longer and has a more proven track record of archival stability. Fuji claims that Crystal Archive is at least as good, as do the producers of the inkjet pigments, but we all own faded C-prints and have probably seen inkjets that have shown problems such as fading and metamerism.