Bitcoin is a nerd/libertarian godsend. I agree that all the real money mining has already been made by the early adopters. I'm personally in it just to learn more about bitcoins, hopefully pay off my GPU's, and just be apart of something I think is great.

Even though the real money has already been made in mining, don't forget that we all get the benefit of using bitcoins for all our anonymous, online purchasing needs. Governments will certainly try to ban them if they really catch on, but who cares. Lets enjoy the internet while it's still undomesticated.