Amazon has the Clarion MiND 4.8" Mobile Internet Navigation Device for $200 with free shipping.
Specifications:
* 4.8 inch WVGA (800 x 480 pixels) LCD Display with touch screen
* Intel Atom Architecture (800 MHz)
* 512MB DRAM
* 4 GB solid state drive (SSD) flash memory
* Wi-Fi (802.11 b/g)
* Bluetooth 2.0+EDR with DUN (Dial-up Network) profile
* SiRFstarIII GPS module with 20-channel GPS receiver
* Li-Ion battery (Small Battery: 2 hours, Optional Large Battery: 4 hours)
* Built-In amplifier and speaker
* 3.5mm external headphone connector
* 2 USB ports (standard/mini)
* microSD card slot
* Docking Station (NK1*1) connector
* RDS-TMC Traffic Ready (lifetime subscription; optional car dock required)
Amazon.com: Clarion MiND Mobile Internet Navigation Device (Black): Electronics
Clarion MiND 4.8" Touch Screen GPS w/ Bluetooth & Wifi $200 + FS 
