i have the tc 31 its a good little boat for what it is there are a few isues with it but nothing major but i havent seen a rtr boat that dosent have its share of problems out of the box as far as witch is better what kind of hull do you like cat or deep v i think the tc 31 is a little faster out out of the two go over the boat when you get it change the fuel tank the stock ones tend to leak at the fitting in the bottom of the tank haave never had any problems with the engine other thaan settings were way out when i got mine bit it was also used fun little boat