The CenRacing one looks to me more race oriented with the aluminum chassis, M1 gears, and from the pictures the suspension tuning looks to be slightly more intuitive and even provides some geometry adjustability. With a 3000kv motor it will make a bit more power also. I'm not sure what part availability is like but it wont be anywear near as available as traxxas parts.
The traxxas is all plastic, still offers some suspension tuning options but nor to the level of the Cen. I wouldn't say its going to be more durable (although traxxas are tough as hell) but replacement parts would more likely be cheaper and more available.
If you truly want to race some club rally races I would go with the Cen. If you dont intend to race and you're looking more for general fun, speed runs, and backyard bashing then definitely the traxxas.
Both kits look super sweet though!