Brasil Telecom, a popular ISP in Brazil has already banned user access to youtube.com. As far as I know all other ISPs are still normal.
Brazil ISP blocks YouTube after court decision on sex video – Boing Boing
Reports today say that BrasilTelecom, the most popular phone company in South Brazil, has blocked access to the site. According to some sources, access was blocked nationwide at a DNS level, and many of the company’s customers are annoyed.

