My favorite (and a pretty great price via this link).
Michael Miller Transportation
http://www.maricopaquiltcompany.com/...oductid=panel4:
Really easy to cut up the squares, and there are some great coordingating fabric - dots and strips that go with the panel.
You can get very creative with the setting.
I still have a couple of the panels - just waiting for someone to have a boy.
Here are some completed quilts:
https://www.google.com/search?q=mich...w=1280&bih=640