These are coming up in October I think.
From what I understand despite a rather recent upswing of serious gang violence in Sao Paulo, Lula is pretty safe for a second term. Basically if he doesn't seriously screw anything up, he wins. This guy will likely be his main opponent:
http://en.wikipedia.org/wiki/Geraldo_AlckminI don't know about the legislature since they got a million parties and half of them have way different ideologies than the name implies. What's the balance there now and what's likely to change?