The colors are beautiful, the texture is not powdery, but the pigmentation is lacking for some darker colors. The Passion palette is definitely made for a smokey eye lover like me. There is a good choice of darker colors to create different style of colored smokey eyes. The pigmentation is very good and the lighter colors can be used to illuminate the tear duct. There is a good color choice for the matte mid tone that can be used in the crease, which is the key to a perfect well blended smokey eye.
The Sin palette is made for the lovers of neon colors, but that they still want to wear them daily. With its color choice from neutral satins and mattes, you can create a day look appropriate with a touch of a neon color to bring some fun to the look. All the colors have a good pigmentation, excepted some of the matte bright neon. The only downside is the lacking of a good mid tone matte transition color, there is only a very light and a very dark matte.
To resume, these two palettes are awesome and have a really cute packaging, but it is harder to stock them because the heart is in 3D. I definitely recommend them to you, you just have to choose the one that fits better your taste in makeup looks.