app-misc/sphinx-0.9.9 has been in the tree for almost 6 months, and has no open bug reports. I've been using it on a production system for several months now myself. Please stabilize this version.
Stable on amd64
Archtested on x86: Looks good.
Builds fine on x86. Tested building with dev-python/jinja-2.5 (stabilization in bug 325905). No problems encountered. Please mark stable for x86.
x86 stable, thanks Thomas and Myckel