http://www.parliament.uk/directories/directories21.cfm

I suggest the best ones would be those who contributed to the Second Reading debate. Or the ones making amendments here.

http://www.publications.parliament.uk/pa/ld200203/ldbills/001/amend/ldam001.htm

Lords contacts and information.
http://www.parliament.uk/directories/house_of_lords_information_office.cfm