Filed under: GPSThe war for the low end of the GPS market promises to be a bloody one, and it looks like TomTom's suffered the first major injury: quarterly profits at the device maker dropped 83 percent from last year, and the company says it's due to competitive price cuts. TomTom made a net profit of just €7.3M ($11.4M) this quarter compared to €44M ($66.2M) last year, results which led the company to lower its outlook for the entire year. The company actually sold 50 percent more devices than it did a year ago, but as PND prices steadily fall, it looks like TomTom will have to figure out a new way to pad those margins and ref