I just bought my first jelly roll at the Dallas Quilt Celebration last week. I thought about the 1600 quilt, but haven't seen one that I particularly like. Thought about some kind of log cabin or Court House Steps. Then a friend on another site suggested this:
http://sonnetofthemoon.blogspot.com/...lt-step-1.html
She uses 3" strips, but some one suggested in the comments that you could use 2 1/2" strips and a 5" center for the two blocks that you cut in quarters. I bought Wildflowers V by Moda and I think it would be pretty.