Because you are sashing the blocks you may want to consider a quilt as you go (QAYG) method. There are several and I am sure it will be the easiest way to learn machine quilting because you only quilt a block at a time. Some have hand sewing involved and some don't. Here are some links to get you started.
http://www.quiltingboard.com/tutoria...ng-t36303.html
http://lifeisbeautifulbom.wordpress....u-go-tutorial/
http://www.ludlowquiltandsew.co.uk/Q..._Machined.html