Showing one option you can really sit down and talk about other brands to me i can not speak for the guys above just my opinion i would be interested in Henglong , Taigen , and current Tamiya every aspect of this hobby is about getting together sharing information and your imagination has no limits that you have the ability to build a rc tank if you like ? or purchase a ready run rc tank and rebuild them to get amazing results.
Personalization with improvements in sound and movement , learning electronics , programming inputs into transmitters , learning about recievers 4ch , 10ch requirements needed having extra channels to basically do more things eg extra machine guns , Lights .