This deal has ended.
Amazon has the Sony NVU73T Portable GPS for only $99.99. Other stores are at least $70 higher. This has a 4.3" touch-screen display, comes pre-loaded with all the usual stuff, has traffic updates and is "thinner than a nickel is wide." Shipping is free and there is no sales tax (except KS, KY, ND, NY, WA).