I have a couple stamp sets that are similar, but not like these new ones that add a lot of detail in 2-4 steps. I think they would be really useful because you can use a lot of colors, or even do heat embossing over the bottom layer too.
I have heard that some of the sets are harder to "eyeball" how to layer them, and that does not appeal to me. I think it should look obvious and not take tons of time to line them up. That would take the fun out of it.
I also agree it would be great for beginner stampers, but looks fun to me too!
I saw Gina K's new kit and I do like the stamp sets. I haven't purchased it yet, but I probably have 4-6 more weeks that it will be available as a kit so I may decide to get it. I also love the Hero Arts bird. I guess I am trying to figure out if I really need more bird or flower stamps, even if they are layering.
LeighAnn, do you like the Avery Elle or W Plus 9 ones you got as well as any of the new sets that are coming out??