Please do not follow the link suggested by VidaNaPraia! That's not the official website!

It is no wonder that he has been saying that the e-visa will cost the same as the normal visa, but with a shorter validity. He is terribly misinformed.

Please find below the official website for the visa application:

Brazil Visa Information In eVisa - Home Page

The Brazilian government chose VFS Global as its service provider. I believe VFS Global is widely recognized as a visa processing company for many countries.

Since earlier today US nationals have been able to place their e-visa applications.