In fairness, I doubt the post-beta audience will be all that large, there can't be that many people left waiting can there? Good heavens, if there are he'll be able to buy islands and things. Well, he probably already can, but more and bigger ones.
I dunno, the number of people on earth is above my math skill. I just wish it was/had more physics or something involved so I could invent my own things to use instead of having to wait for them to introduce them.
I don't think you need to build /all/ of it. There are going to be a lot of dull buildings between the interesting ones. Emphasise the cool bits and drop the bits which don't add anything to the y'know.
Though I can't yet find the setting to increase the length of time the messages show for. I've tried a couple of settings but it's still about 15 seconds per message.