For me right now I am interested in patterns for precuts, but I agree with making sure you have a model for yardage as well. I also tend to but patterns for more interesting unique patterns. Most patterns I buy are intricate that I can't really duplicate easily. Well written directions are a must. Also good pictures, examples are also a must. I have quite a few patterns that are confusing and when that happens I will most likely not buy from the same designer. I have no issues with specialty rulers or paper piecing as I am a gadget queen and am attracted to paper piecing or paperless paper piecing patters as well as applique.