This deal has ended.
Buy.com has their refurbished model of the 3rd Edition TomTom One Portable GPS System for $129.99, after a $20 mail-in rebate (through 4/20). Featuring a 3.5" LCD display and voice-prompted navigation, it also comes with maps of the US and Canada pre-loaded with millions of points of interest. New customers can use this $5 off $100 coupon or new Google Checkout can get a $10 off discount (you can't get both). Shipping is free and there is no tax (except CA, MA, MD, TN).