I wouldnt buy nothing but a name brand car that has shocks, if you do and dislike it, it will sell easier. 75% of the time a lot of no name cars dont work as well as a bigger name car.
Mullis
Undercover
Racecraft Danny Nelson
Racetech
Miller
smaller names but good cars
Diamond
American
TNT
M&M
Suspended cars do make a big difference they will go down any and all tracks consistently.