With a starting manufacturer's suggested retail price of less than $10,000, the 2006 Chevrolet Aveo is the lowest-priced new car in the United States. Low price doesn't mean skimping on safety equipment anymore; some lowest-priced new cars include six standard airbags. ****** Snip ****** Small cars dominate the list of lowest-priced new vehicles for the 2006 model year. ***** Snip **************** The Honda Insight, with a starting MSRP of $19,330, is the lowest-priced gas-electric hybrid for 2006. This two-seat coupe also is the top fuel sipper in the country, with a rating of 61 miles per gallon in city driving...