We've reached the end of our week-long marathon of Father's Day sweepstakes, and we think you'll agree, we've saved the best for last. Our final sweepstakes is for a TomTom ONE 3rd Edition portable navigation system. Valued at $199, the ONE 3rd Edition is TomTom's entry-level model but features a large 3.5-inch touchscreen, preloaded maps and 1GB of internal memory (Father's Day tie not included).