This deal has ended.
Update: Dell is sold out; the deal is over. Today only, Dell has the Pharos PDR250US GPS Navigation System on sale for just $49.99, despite being regularly priced at $139.99. This features a 4.3" touchscreen LCD, turn-by-turn directions, preloaded maps of the continental US, support for four languages, and more. Shipping is free with sales tax charged in most states. Compare this with $136 at Buy.com.