Insignia NS-NAV01 4.3″ Widescreen Portable GPS Navigator for $29.99 shipped. Here is a screenshot for your reference. It features a 4.3″ color touchscreen LCD, text-to-speech and turn-by-turn voice prompts, preloaded maps of USA and 2 million POIs, route planning, and more. Note that Insignia is Best Buy’s private brand.
Originally posted earlier, it went out of stock and is now available again. This is just a friendly reminder.