I am considering buying a Navman as above for $248.00 from Dick Smith including a 4.7" touch screen, 3 years subscription to map updates, and with a 2 year warranty
plus plus plus other goodies I don't need.
I use the MY55T is not smooth update but still a very good unit, I like the screen size and use the voice prompt a lot. Also traffic congestion is reasonably accurate. Just received latest updates only about 1 month ago.