hi guys, last had track in 1990's & a lot has changed. ive got a scaleauto rs200 home series(hope this ok)& i want to get new scalextric rally track but as im into rally group B,& some more group B & A cars. i like lanci037 & sierra rs cosworth gemini jimmy mcrae. can anybody tell me what these cars are like & any upgrades to improve them? thanks in advance