In my life before GTD and Palm I had two calendars, one was my paper planner and one was on the refrigerator. I did all my time plan using the planner and then manually wrote it to the frig once a week. At that point I would list for every member of the family what they needed to know for the week and any upcoming highlights. Took a long time, but it worked.
Now, I carry a PALM , but I have found it too cumbersome to enter dates when on the run or on the phone (and very hard to move things around when one date is swapped for another). So, I also carry a paper Month At a Time calendar. I use laptop in my business office and can synch that to my Palm, and then that to my desktop at my home office. I have a paper wall calendar for the whole year on wall in my home office. I have a calendar on frig for quick reference and as a communication device to my family. Somehow, something is always on one calendar but not another. And, if it isn't obvious, I am going nuts!
What should I do? Is there a system that works?