yea no problem. Ill help you the best that i can. I don't know it all. I know a lot about what i have or had. I don't know what you like but if your trying to have fun and looking for a local hobby shop to carry parts, I would look at the traxxas nitro 4tec. Its a decent car I had one originally but the original trx .15 was junk along with the easy start. Im sure they have come along way since then but I'm not sure. I know almost every hobby shop has traxxas parts because that is what sells. Traxxas stuff sells like hot cakes because its RTR.
I prefer HPI personally. I think their motors are a little better. I have 2 that .15 cheapy and an older performance .15ss they made and that .15ss is awesome. I use the roto start on the .15 cheapy and pull start on the .15ss. Tower hobbies carries hpi parts if your local hobby store doesn't and they offer parts at a discounted price and offer discounts when you reach certain levels. But not all hobby stores carry hpi parts.
I had a NTC3 that i raced a little and it was terrible. Brakes sucked and the car would always break. i currently have a MTX4R that i got and will be racing this year and its a totally better car than the NTC3.
Owner of D&D collectible toys
garage xray m18(2) 416x nitro rs4 nitro rs4 3 evo traxxas slash hpi savage Xray NT1 MTX4R Tamiya 416x a few nice planes in my hangar.