The Diablo III blog has been updated with a brief look at developers' plans for the upcoming v1.0.5 patch. Uber-bosses, build diversity and the new Monster Power system are all part of the post.
New Event: Infernal Machine
The Infernal Machine is a device that will allow level-60 players to battle “uber” versions of some of Sanctuary’s most nefarious bosses. While the rewards for defeating these bosses will be great, some assembly is required.
Read more on the Diablo III community site.