Im sorry, but i am 95% against duratrax. I had the ST pro, and my brother has the overdrive.... YOU ARE LUCKY!!! WE NEVER GOT OUR ENGINES TO STAY RUNNING AND WE KNOW WHAT WE WERE DOING!! They were crap. Now, the cars themselves are good, good parts, good tech support (give them an 8 outta 10) But the engines are CRAP, my little bro has a regular ST and his engine runs strong....so i guess you gotta be lucky. I would check out the RC10gt, and the XXXNT <---- i have heard good things about those too.