It?s got the style of Europe at a third the price, so don?t cry for Argentina. Fly there and boost the economy. In Buenos Aires, energies run high, despite the peso?s low. Hotels at bang-for-your-buck prices include the luxury Sofitel Buenos Aires, with rooms at $240, including break?fast (800-763-4835, www.sofitel.com), and the minimalist-chic Design Suites at $80, including breakfast (800-858-8471, www.designsuites.com).