The ones I had on my "priority list' when I purchased the GO were the curved ones....drunkards path, robbing peter to pay paul, applecore, and tumbler......I have all now and love them, makes cutting curved pattern pieces a breeze, even if you have "templates" for these designs, the die is so much easier-no slippage!!!!! The piecing is also a piece of cake because the pieces are so precisionly cut they just "fall" together.......Now, I have accumulated the triangles, squares, rectangle and strips.......and now have ordered some of the new ones that are out...not from mfgr...from dealer, price is better....so shop around and see who offers the best price....