Just came across this article on the Province of Chaco paying a Dollar bond in Pesos, which according to my understanding constitutes a technical default on the bond, it will be interesting to watch if this expands to other provinces or the national government.
http://www.reuters.com/article/2012...-chaco-idUSL1E8L71S720121007?type=marketsNews
http://www.reuters.com/article/2012...-chaco-idUSL1E8L71S720121007?type=marketsNews