It seems the Power8 team has made their first full release of their software. It is dated July 21, 2012.
This is the changelog they have listed, showing changes from the RC1 version that was released on July 14th.
Release 1.0 (v188.8.131.52) 21.07.2012
- [new] About window;
- [new] Icon and logo;
- [fixed] Now Power8 is able to start up and work even if Workstation service is shut down;
You can download it here: http://code.google.com/p/power8/downloads/list
And of course, their project home page is here: http://code.google.com/p/power8/