The "Manage Milestones" page has a nice table listing the millstones for your project but the column, "Time", is sort of ambiguous. I understand that it's listing the due date for the milestones but that's not obvious. It would probably work better if you change that column's title to "Due Date" or something and maybe add another column while you're at it that is for "Time Completed". It would add just a little more panache and polish for that page.
~Kevin