Do this and then call them Bitcoins NOT 'microbitcoins'.

Call 10^8 Satoshis something else, a "full ______ of Bitcoins."

They are a million times apart in scale, this makes it easy to tell which system is being used during the transition. And the transition wont take long once it gets started, since it is such a better scheme, for many reasons.

Come one people, quit pussy footing around. This is the true semantic stock split that Bitcoin needs.

Reeducating a million users is far easier and more productive than introducing a billion potential users to an ugly, cumbersome, and transactionally costly-to-communicate legacy naming convention.