I would like to have the ability to filter on SFDC campaign fields, such as type, start date, end date, status, as well as custom fields. We have multiple campaign types and would like to have the ability to create scoring based off of types of campaigns. This would also be helpful in omitting people from certain campaigns.
Agree with Julisa that this would be "AWESOME and SUPER helpful," especially if it included the ability to filter on/change data values in custom Campaign Member fields.
The recent use case I encountered: for returning visitors, we're trying to capture what promotions are driving registrations for webinars and other lead gen programs we manage through SFDC Campaigns. It'd be great if Marketo could capture data in a Campaign Member custom field called "Source" based on how folks found our registration page. This would make it easy to track and report for each SFDC Campaign without having to add more fields to the Lead/Contact records or find other work arounds.
We definitely need this feature! Having the ability to use Campaign Type as a filter would save me from constantly having to update multiple smart lists!