I just got the invite email finally today as well. I will tell you lots of f150 lightnings are coming back in on trade. Standard ranges, almost uniformly. I would hate for you to get stuck with it if you decided the Mach E was to keep. I am ordering because I want the extended range blue...
I looked at the manual too, and while it looks like it can be installed in a non sub panel configuration, it puts out so little current that you are essentially limited to 40 amps to run your whole house. (9600w continuous) .This is not a whole home backup solution by any means. Subpanel is...