A quick check of Edmunds' new car buying guides gets you up to speed on the major trends in the automotive world, while arming you with the information you need to make a smart purchase in any of 10 vehicle categories. If you're in the market for either a leftover 2007 model or a lightly used vehicle, you can still take a look at the cars, SUVs, trucks, minivans and hybrids that earned top recommendations for 2007.