No, Mio has not disappeared, they acquired Magellan and kept their own line of navigators. The Mio Moov R403 is a wide-screened unit (4.3-inch) unit that offers a lot of value in a Mio package. The unit offers Text to speech - it says street names, lane guidance to help you when choosing which lane to be in for that confusing highway interchange, and maps of the US + Puerto Rico. The 4 million Points of interest is a little light compared to other brands on the market.
