I'd very much like to see checkboxes and bulk actions integrated in the back end interface. NB has a lot of lists, and I don't mean Lists, the feature. I mean lists of things, like a list of tags, a list of people emailed, a list of Lists. That interface is in need of more power. It should be sortable, it should have a variable for how many records to show, it should be searchable without having to make a temporary List.
I know you have smart people at NB. Please apply some of that to the tasks we do each and every day.
We're actively evaluating how people interact with tables of information in the NationBuilder control panel and designing a more consistent experience.