I think there are so many cars out there it's hard to say where to begin. Here are a few entry level choices:
<ul type="square">[*]1984-1987 Monte Carlo SS Coupe[*]1983-1987 Hurst Olds/442[*]1967-1970 Mercury Cougar--priced less than a comparable Mustang[*]1973-1975 Buick Skylarks and Olds Cutlass[*]1969-1975 GM Big cars: Catalina, Bonneville, Impala, Caprice, LeSabre, Electra, etc[/list]