Mio has promised to release their Moov S401 and S501 this mid-May. But they has just rescheduled the date for June 2009 because they will upgrade several parts of the those two GPS device. Mio Moov S401 and S501 will be upgraded become a pair of larger screen but low-cost model. Even though its low-cost but it can view clearer navigation and unique tricks of the docking POIs because its equipped with Spirit user interface. Mio Moov S401 will come with 4.3-inch touchscreen display while the Moov S501 with larger 4.7-inch. The price is predicted still the same at range $180 and $200 each unit.