It's funny you mention that - we studied Sealand as part of my Public International Law course about 5 years ago, and that's pretty much the conclusion that we

It's funny you mention that - we studied Sealand as part of my Public International Law course about 5 years ago, and that's pretty much the conclusion that we all came to. The "best" things a country can do are only worthwhile with international recognition. Even Tuvalu (population c.10,000) gets its own TLD (.tv), which has been its prime source of income for some time.