I would just like to thank everyone for their awesome suggetstions. I started out quilting a grid but then I got more and more carried away. I turned out great. The completed quilt is here:
http://www.quiltingboard.com/t-128928-1.htm#3432596
I used a variegated thread called Ocean by Sulky. The thread on the backn(solid) matched so completely it looks almost invisible and made taking out a couple of rows of stitching pretty challenging. I am very happy with this quilt. I think it might be my best one yet!