use UserPrincipal.DisplayName rather than sAMAccountName for the Host page General tab’s GuestLoggedOnUserName
this would mean that the (powerful) search would find sessions by the end users (real) name.
No more asking or manual look (in AD) up for the account name
That's quite a good idea! Though it might run into issues with customers who have it set to "Fred Bloggs | Some Long Jobname | Their Company Brand" so that's what goes on their emails?