Well, sounds pretty convincing. The interesting point is how many circulating coins there will be in the world after some years... We'll see.
I liked your snapshotting idea so much that I stole it for myself, mashed it around a little, called it "Balance sheets" and posted it here.
I hope you like it.
I'm happy that you build a nice idea upon mine. There is many points to discuss so I'll answer there.