I've just finished installing and writing a step by step two part tutorial on the above.
Part 1 - Setting up the Subsonic Jail
http://mylinuxramblings.wordpress.com/2 ... dedpart-1/
Part 2 - Installing Subsonic 5.0
http://mylinuxramblings.wordpress.com/2 ... sonic-5-0/
Hopefully, some of you will find this useful.
M