The DTrace TCP/UDP providers discussed in this post have now been integrated into the OpenSolaris source. Another useful enhancement also made it's way into the source, PSARC/2010/181 PRIV_SYS_RES_BIND privilege. This will make it possible delegate permission to bind processes to specific processor sets from within the zone.
A new build of what is to become the next release of OpenSolaris is also probably finished or at least very close to finished, the second respin of build 134, 134b:
Latest revision: 48706bcc893fc2c3ed76528eb4bc4b5dcb940f95
Total changesets: 1
16087 resync repository to snv-134b
Assessing software engineering candidates
5 weeks ago