Gt are really ****, but have a turbo and are pretty quick...
massive list of things to look for, but its just the same with any other car....
Just like Clio's have panties electrics n ****, but sound sweet and look hard as fukk...
But there have been a million posts on what to look for, i know the search thing isnt working, but i am at work and cant really be arsed to help any more :P