I remember when i vist visited Peru in 2007, if I'm not mistaken the exchange rate was close to 3.5 soles per dollar, then in 2008 it was around 3.25 when I arrived and 3.00 when I left in 2009. Upon arriving one year ago, the dollar was getting 2.8 soles and today, 2.70. If you plan on being here a...