For those of you who are planning on traveling by bus to see more of Brazil, I really enjoyed the advice provided in Busbud. It´s pretty simple and straight-forward but great for a first-timer. How to Travel Like a Local in Brazil by Bus.
Util – Viaje bem, viaje util.. Need to travel by bus anywhere in Brazil? This is by the far the most useful website for buying bus tickets I have ever come across. Great stuff!