Selecting Specific Leads to Group in Analyzers

It would be great to select multiple leads as a group when pulling an Opportunity or other Analyzer report. Oftentimes there are multiple leads associated with a company who are using their personal email addresses, have been at other companies previously, or indicated a fake company name to keep from being hassled by sales. If we could identify the key players by using email address or Marketo ID, the Analyzer Reports would be exponentially more useful.