Decisions, decisions!  The "reveal" is out for my mystery quilt, and I like both options!  I think I'm leaning toward the second quilt, dark spirals in the center.  I like the layout of options #3 and #4, but I don't like how the color of the background fabric on the side is highlighted.  You don't notice as much on options #1 and #2 that the background fabric is different (there are three different background fabrics and five different brown fabrics).  I'll leave it up for a while and see if I still like it after a week.  (And, after I finish up other projects - I have a few!)