Emission Systems For Cars And Trucks Cheapest Parts On the Web

Alright...I was thinking of going old school and getting like a 67 GTO or 69 Charger or Cutlass. The thing is, I wil need this car to use all year long in Chicago. I like speed and want something that's cheap and fast...under $12,000. I own a Corvette and Camaro (both over 20 years old) and I know how old rear wheel drive cars can be. The older cars are cool, but as far as safety and driving it through snow and ice...not so much. So I'm thinking maybe a late model Mustang, Camaro, or Firebird/Firehawk. Can anyone give me advice on a car and upgrades for it? The only thing keeping me away from buying those cars is because they are all American cars and I am concerned with them having to get too many repairs. Should I go with a foreign car and if so which one? Which ever car I end up getting, I want to spend maybe $9-10,000 on a car, so I have money left over for maybe a turbo or supercharger or other upgrades.