I like the grid view so that I can see what attributes a task has at a glance. It becomes cluttered with many tasks, so I end up using multi-line view. I like the multi-line to edit the attributes, but in the same way that grid view becomes cluttered, so does expanding all multi-lines.
I'd like to suggest a summary of attributes after a task when the details are not expanded (in italic or gray so they do not add to clutter). As an example, a task might look like: