I wasn't at all surprised to find that my map still had a line and heading drawn on it, my compass still showed the correct heading and my stopwatch still showed the correct elapsed time for that particular leg. Spooky.
Reichman, You may get away with that sort of complacency now, but if you intend on keeping up flying into old age you could find that the lead in your pencil lets you down. When that day comes, your views on the merits of GPS may change.