How worth it is the Boppy Nursing Pillow?

Hey ladies those of you who have or tried the Boppy nursing pillow, is this a must have, or did it make breastfeeding much easier? Debating getting one but just wanted to know if you felt it made a huge difference since it costs about $40 bucks, will totally invest if so, reading reviews now. Let me know what you think! 😀