Love it! I am working on a scrappy quilt right now too....It is so freeing after sticking to strict patterns for a while.
I would use the extra 9 patches and do another simple one with plain middle blocks (like this:
http://www.ttfabrics.com/patterns/do...rt-Pattern.pdf but scrappy)
eta: even 30-35 could make a good start for an inside with borders!