Navigon has released two new GPS units today, the 5100 max and 2090S. The duo reside exclusively at Radio Shack for the moment, however. The 5100 max features a 4.3-inch touchscreen, Reality View Pro / Lane Assistant Pro technology, handsfree Bluetooth support, text-to-speech and free real-time traffic updates for life. It’s little brother the 2090S features a 3.5-inch touch panel and most features of the 5100 max, besides Bluetooth. The 5100 max and 2090S are available now at Radio Shack for $299.99 / $199.99 respectively.

Motorola has released two GPS navigators, the MOTONAV TN20 and TN30. The TN20 provides spoken street names and turn-by-turn directions. The unit also offers NAVTEQ 2D / 3D maps of the United States and a 3.5-inch touch panel. The TN30 takes all of those features and adds in maps of Puerto Rico and Canada, along with four million searchable points of interest and a 4.3-inch touchscreen. The TN30 also features Bluetooth headsfree support.

Both units include an SD slot for updating maps, a mini USB port for charging, speed limit display with warnings and on-screen tidbits regarding distance, arrival time, elevation and speed. They are only available at Radio Shack for now at the suggested retail price of $199.99 / $299.99, respectively.