The Blu-ray Disc Association is working on a set of specifications for building 3D-enabled Blu-ray players. The plans include 1080p per eye (as we've seen from Sony and Panasonic's systems).
The Blu-ray Disc Association is also looking to ensure that 3D players will play 2D content and allow you to watch 3D discs in 2D if you need to, say if you suddenly lose an eye. But it will be possible for content providers to require 3D-only playback.
Guidelines and specifications will be published in December 2009 so, it's probable that 3D Blu-ray players will be with us in the first half of 2010.
See our story on Sony's plans for 3D TV by 2010...