I remember feeling a little burned with my first stereo SACD purchase. It was Peter Gabriel's 2 and Birdy (both used, and only $10 CND each, so what the heck). I realized that they didn't sound all that different from the original CDs I had purchased way back when. After digging a little, some people suggested that my gear is to blame. I have a budget player, and that's the reason it didn't sound too much better than the originals. Also, they're not hybrids, so they're useless outside of my universal player.
I also felt a little cheated on my latest multichannel SACD, Beethoven's 9th Symphony. After getting used to the wonders of multichannel music, I was a bit dismayed that this 5.1 classical disc featured music primarily on the front left and right, and next to nothing on the other three speakers. I suppose I'm now used to "being in the audience" for the disc (rather than in the centre of the orchestra itself), but if I'm in the audience, why is there barely any audio coming out of the centre channel?
And then there are the discs that I simply cannot get enough of. Pink Floyd's Dark Side of the Moon, Peter Gabriel's Up, Blue Man Group's The Complex and Tom Cochrane's Trapeze -- these are stellar multichannel mixes. I'm still at the point where I loooooove multichannel music, and these discs are the cream of the crop in my collection.
The only stereo SACD that's knocked my socks off (so far) is The Rolling Stones' Hot Rocks. Hot damn, that's one fine (sounding) album!
cheers,
supervij