Perhaps you are getting GPS this Christmas, or perhaps you are have a unit already. They are certainly selling like hot cakes.
You may be interested to know that at the end of this month (date unconfirmed - see
space.ballard.co.uk) the first test of the new, highly accuarate and reliable European equivalent, Galileo is being launched.
The first satelite will test the principles that should result in a possible 1cm accurate position fix once the remaining 29 satellites are in orbit.
SSTl GIOVE-A satellite launch blog
