Walmart.com has a Garmin StreetPilot 2720 Portable Color GPS Navigation System, Traffic Ready for $549.92 plus shipping.

• Alphanumeric remote control
• Preprogrammed hard drive storage
• Audible and visual navigation instructions and warnings
• 8-bit color LCD with touch screen
• Voice prompts that actually tell you which street (by name) to turn on (Text-To-Speech) and optional traffic alerts

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