I can see a lot more stuff on a 8X10 sheet of paper than I can on a 2X2 GPS screen. I use my maps in conjuction with the GPS. I look at my printed map, find my GOTO spot and punch it in. Don't have to fiddlefart around with the GPS (zoom, etc).
Here is a sample of a printed map with waypoints. It is blurred because of image size restrictions. The yellow dingys are a few of my waypoints...
http://www.tomsstuff.net/sitebuilder...ures/scan1.jpg