The secret to the jelly roll quilt is to have as many different fabrics as possible. The precuts usually have 2 or 3 of each color in the line. The main complaint that our group had was the repeat colors sometimes ended up next to each other in the next row. You can't really audition this quilt, as you sew til the end, then cut apart and sew to the end again! So if you have 40 plus strips of ALL DIFFERENT prints/colors, that won't be an issue. I have seen them done with bias cut ends and I like that, but also a 2 1/2" square of a consistent color (black or white, etc.) between each strip is stunning! It requires a bit of prep work to make that happen, but most "races" start after all the strips are sewn together anyway. Good luck, they are fun and really beautiful when finished!