Agree with Narrod that a lot of it has to do with mastering (although I do think the SACD format offers something that CD can't, at least in theory). There are some very fine sounding CDs that have come out in the last, say, 10 years...AND, there are some weak sounding SACDs. Although I'm not a hard-core smooth jazz guy, I use Nelson Rangell's Always as one of my test discs with some regularity, which came out in 1999 and is only available in CD format. Really well-engineered disc, in my judgment.
The down-side of higher end gear is that it makes you more aware of the mistakes in the studio, etc. So it goes...
The down-side of higher end gear is that it makes you more aware of the mistakes in the studio, etc. So it goes...