Clarion NR1UB 4.8" Atom-Based GPS with Wi-Fi for $118.00 shipped.  Here is a screenshot for your reference.  This is a portable Internet-connected navigation device with for GPS turn-by-turn directions with 2D and 3D map views, and more.  It stores music, movies, and photos on 4GB internal memory or on optional MicroSD memory cards.  In addition, it connects to the Web via Wi-Fi (802.11b/g) or through Bluetooth-connected cell phone.  Here is a video clip for your reference.  Most places have it for about $149.