To do list programs are all over the place, including the built-in to do list shared between Mail and iCal. But The Hit List takes it up a notch. You can organize your items in a number of ways and view them as a list or one-at-a-time with notes. It acts like your inbox for everything that isn’t email. Plus the interface is very well thought-out and friendly.
Related: MobileMe – Notes Syncing to MacBook Pro Mail Inbox, OS X Lion Mail, how to set as default mail read window, To Do Items Inside of Mail Notes, Mail difficulties, Inbox includes all sent items and show them aqs undread.
