Amazon.com has the Motorola Motonav TN565T 4.3-Inch Widescreen Bluetooth Portable GPS Navigator with Lifetime Traffic for $139.97 - $20 off Amazon CouponWY6H7N62 [Exp. 08/31] = $119.97. Shipping is free.
Amazon.com has the Lowepro Volta 30 3.5-Inch and 4.3-Inch GPS Carrying Case (Black) for $4.94. Free shipping on $25, or free shipping with Amazon Prime for students (Sign up for free 1-yr Membership).
Today only, Cowboom has the 4.3inch Insignia NS-NAV01 Portable GPS Navigation (Text To Speech and color display) - Refurbished for $29.99. Shipping is $5.
TigerDirect has the Tom Tom XXL530S 5" Widescreen Display Auto GPS for $129.99 - $30 off Tiger Direct CouponBOR3502 =$99.99. Free Shipping on $100 (Add this filler item to reach $100).
6ave.com has the Pioneer AVIC-U310BT 4.3" In-Dash Navigation Receiver with CD Player for $259 - 4% off 6ave.com CouponAFL4COUPON = $248.64 + Free Shipping.