I found a new site, that looks pretty promising. It is a new compiler that will let you do baremetal programming on the Pi.
It looks like it just started, but I did try it, and it basically booted up in under a second - with the LCD. I have a Pi touchscreen with it, and ran a simple "Hello World".
video of quick bootup --> https://youtu.be/hoTmHsxDiPE
Although its still new, and they are working on adding stuff, I wonder if this wouldn't be a good fit with a Propeller? You literally would have a cheap LCD, access to more I/O, USB, Ethernet (maybe even Wifi with new Pi3).
Anyone think this might be a good combo? I'm not super enthused about programming in Pascal (?), but it seems easy enough. Any thoughts?
PS: Doing some more research on this. An example of potential is here: (basically 8MHZ off a GPIO)