One of the sales guys initiated a question on updating the columns for the Marketing List Members View in CRM 4.0. I was less than optomistic on how, but I found the following blog posting from the Microsoft Dynamics CRM Team Blog which shows you how. Whew, an odd one at best I must say?
http://blogs.msdn.com/crm/archive/2008/04/02/customize-marketing-list-list-member-view.aspx
Marketing List Members