6ave.com’s Sick Deal of the Day is the Sony NV-U94T 4.8-inch Portable Satellite Navigation System (model no. SONNVU94T) priced at only $166, which is $233.99 off its manufacturer’s suggested retail price of $399.99 and the lowest cost we have managed find for this GPS system. FREE shipping is included for ground delivery, and sales tax applies for residents of New York and New Jersey.

If you’re looking for something a little larger Onlinecarstereo.com has both a new and refurbished version of the in-dash Pioneer AVIC-F500BT Portable GPS Navigator available. The refurbished one is currently priced at $189 while the new version is going for $235, both with FREE shipping included. Continue up the ladder and upgrade to the refurbished 6.95-inch Kenwood DNX7140 In-Dash GPS navigation system on for the discounted price of $849.99 and includes FREE shipping at Crutchfield.com. Add some extra memory with the SanDisk 16GB SDHC memory card on sale at Buydig.com for $38 with FREE shipping included.

The Sony portable navigation system comes with a 4.8-inch anti-glare LCD touchscreen with a 16:9 widescreen aspect ratio, and includes both text-to-speech technology and a 3D junction guide. It’s capable of playing back music and videos via a Memory Stick Duo that’s been placed into the device, and also works as a photo viewer. The battery life can last up-to two hours per a single charge, and tales a maximum of three hours to charge when the device is running, or 1.5-hours while in standby mode. It is backed by a 90-day Onlinecarstereo.com warranty. Dimensions: 7.6” x 6.2” x 4.6”; weight 2.2lbs.