Both machines have different purposes. I guess the only thing they have in common are expensive dies, ROFL! I am a Cricut user too.
I want a GrandeMark. I have to wait to get some space in my art studio.
GrandeMark will handle heavier materials that the electronic cutters couldn't get through their machines.
Have you looked at the Big Shot Pro? It's a bit more versatile than the GrandeMark. I heard wedding designer's prefer it as their manual machine. BSP popped in my head when I read you were looking at the GrandMarke for invitations.