This website has a great look at one of these quilts as it is being designed. Interestingly enough, her quilt started with the squares in the center and makes the smaller 4 patch HST's to go with the squares. A great way to get the color placements you want.
http://gnomeangel.com/category/arts-...ing-triangles/
Oh yes....I am too interested in this quilt. I HAVE to finish some UFO's. HAVE TO!!!!!