^Sunset Select looks great on the wall. It has about the same gamut as Lyve, largely thanks to a moderately high OBA content, versus Lyve's no-OBA content. Won't argue the OBA thing here, but the Sunset Select prints to which I have access are still looking essentially as new in some very nasty lighting situations and at the five year mark are surviving much better than Premium Luster prints at the same locations. I am very glad I made the switch to canvas when I did.
Sunset has a consistently finer weave and smoother surface than most of the Lyve samples I've seen. It's also a little thinner, and a lot more supple. Not sure what that means for stretching as I exclusively mount canvas these days.
If Lyve has any special character it's that its overall appearance has a kind of "solid" or even slightly "heavy" quality to it. Lyve is rich in the midtones, whereas Sunset could be said to be more articulate in the lighter tones and highlights. When coated Lyve is just a little better in the blues than other matte canvases. Blues of course are the Achilles heel of matte media, it's very hard to get subtle, luminous blue gradations on matte and even a small improvement in the blues is of consequence.
But for most images, most matte canvases could be coaxed into a very similar looking prints. I would use a lot of Lyve if the substrates were more consistent. I buy a 24 x 40 roll a couple times a year hoping for the best, and so far every one of them has had a show-killer defect, such as excess thickness, varicose vein weave errors, and recently a tendency for the edges to curl which causes head bangs, which is partly a problem brought on by the long 8300 feed path. And a few rolls have had over-the-top weave texture. BC says I may have gotten "B" rolls by mistake. When I pay full price, I don't want "B" rolls.
In the US a single roll of 24 x 40 Sunset roll costs about $95 delivered, versus more like $148 for Lyve. IMHO Lyve is a slightly superior product, but maybe not by the ratio of 148/95. Even at BC's 10 roll price, Sunset is still a better deal.