We have released a new stable build, you can get it from the downloads page http://sf.net/projects/mpc-hc/files
You can find the changelog here http://sf.net/projects/mpc-hc/files/MPC%20HomeCinema%20-%20Win32/MPC-HC%20v184.108.40.20635_32%20bits/README.txt/view
We are looking for:
* developers to improve the UI regarding usability and consistency
* fix bugs
* improve the renderers part of the player
* webpage designers for our webpage
If you think you can help MPC-HC drop by #mpc-hc-dev or send an email to me (XhmikosR).