Kat Von D’s Serpentina palette; the way the release was handled was frustrating, and I don’t know why it was released in such small batches, which made it seem like it was selling out in minutes when now it seems like there is plenty of stock to go around. Then, to make matters worse, the product itself seems to have a lot of quality issues, but these quality issues extend into inconsistencies, too, as readers have reported different shades working differently!
Anastasia Beverly Hills, because they actually released a really high-quality, somewhat unique palette (Modern Renaissance) and made it permanent – but they also made plenty of stock to keep it on the shelves even during the initial release.
I think a lot of them are warmer than they need to be! Sometimes they run too orange or too yellow. When you find one that really adds warmth to the skin but doesn’t conflict with your undertones/coloring, it is great, though!