Higher Power and Pan Am both good schools for the Boeing rating.
You may want to look into using the funds to get a rating in a corporate jet rather than the Boeing. Corporate world is opening up as their pilots are migrating to the scheduled carriers. Besides, US Carriers with the exception of Southwest will type you.
Plus there is always the chance you'll be questioned in an interview "so, what's with the 737 type? You planning on getting some experience and leaving for Southwest?"