[eru]

Totally depends on what your other passport is.

If you can replace your American passport with a Canadian, Australian or Singaporean passport, it's not too bad: people from these countries have an easy time getting a visa to work in the US. [0] All while not being subject to American taxes while outside the US.

> Plus the way the world is shaping up, you will be better off with the country's Economic/Financial/Military Systems behind you.

Eh, it's a two-edged sword. On this aspect you are probably better off with the passport of a country that's clearly in the Western sphere, but also one that no-one actually hates. Think Canada or Switzerland.

[0] Though I don't know how well that works for former citizens?