As the last two months of the year pass by, people all over the world have started their countdowns of the remaining days until one of the biggest holiday of the year. Likewise, the different marketing niches have started counting down, the GPS system and tracking device niche included. GPS is one of the greatest technological inventions that makes our life less complicated and more comfortable. But, with the existing numbers of GPS brands and models, there is really no telling which of them has dominated the market for this year. Read on to find out the top selling GPS devices of 2009.