NetBSD 6.1 release was just announced. It is the first feature update of the NetBSD 6 release branch. You can download it using torrents or from various ftp/http or other services mirrors. The complete list of changes is here. Major ones can be found in release announcement. Download it, upgrade your system, test it on the new one and enjoy. If you like the project then consider to make some donations.

NetBSD 6.0.2 was also released at the same time. It is the second security/bugfix update of the NetBSD 6.0 release branch. The complete list of changes can be found here.