6ave.com’s Sick Deal of the Day is the Alpine Blackbird 4.3-inch Portable Navigation System (model no. PNDK3) on sale for only $98, resulting in an impressive $452 price drop from its manufacturer’s suggested retail price of $550, and the lowest cost we have seen for this GPS system by about $27. FREE ground shipping is included and sales tax applies for residents of New York and New Jersey.

For roughly the same low price Staples.com this week is offering the TomTom ONE 130 Portable GPS system, which is on sale for $99.99 with FREE delivery also included. In addition to the TomTom ONE, Staples.com also has the Garmin nuvi 255W Portable GPS on sale for a week, this one has dropped from $179.99 down to $149.99 and includes FREE shipping. Amazon.com this week is offering one of the larger GPS models we have seen, the Magellan RoadMate 7-inch Widescreen GPS Navigator; it comes complete with multi-destination routing and the AAA TourBook. This stylish GPS can be purchased for only $235.91, and like the previous deals mentioned, has included FREE shipping.

The Alpine Blackbird 4.3-unch GPS Navigator features enhanced lane guidance that helps with highway junctions, and text-to-speech voice prompts that announce street names at turns. Its 4.3-inch display offers a 480 x 272 resolution and enables users to set the backlight to timeout after 10, 20 or 30 seconds. Also included is support for Bluetooth connectivity and noise-cancellation technology. The device comes backed by a one year warranty through Alpine. Dimensions: 4.8” x 2.9” 0.78”; weight 6.3oz.