His slides are available athttp://www.open.ac.uk/documents/1/rc090604541921155.ppt
and the audio is available at http://www.genomicsnetwork.ac.uk/media/HFEA-Phil%20Willis.wma
The following Hansard Society publication provides further useful background - http://www.hansardsociety.org.uk/blogs/downloads/archive/2007/09/27/law-in-the-making-jun-2007.aspx
The final report - which I strongly recommend - can be purchased at http://hansardsociety.org.uk/blogs/parliament_and_government/archive/2008/07/11/law-in-the-making-a-new-publication-by-the-hansard-society.aspx