Lovely top! Are you hand quilting? using your domestic sewing machine? borrowing someone's longarm? I like Iceblossom's donation quilt pictured above. If I was longarming that, I think I'd try for an allover design of some sort, maybe emphasizing the diagonals so I don't have to mark anything. Try a small practice block/piece first: it can help you decide. I sometimes go from "This isn't working" to "Hmm, not so bad." to "Hey, this looks great!"