I've been sleeping without any pillow for some time now, as many doctors recommend that. So far I can say it didn't make my sleep any better, nor my neck more relaxed. The best pillow I've tried before was the one "memorizing" how your sleep.
Siberia. A lot of my friends all over the world love it. And there is the second part that has been recently introduced to the market. I love the story, graphics, music. It's like you're in a different world