Greetings, I am new to the list, and a potential new Quattro owner. Here is my situation, the car I am thinking of buying; 1990 Quattro 90 20v 98000 miles Leather, all options Silver Metallic 2yr or 24k mile warranty convering all major systems + powertrain $7500.00 Should I jump on it? What should I look for? Thanks, -Paul