Best bet would be to keep the standard ones, they are probably going to be as strong as you will ever need, and also well projected. They will probably last 5-10 years no problem too if you get a decent make.
Rose jointed bits would be more for a track based car where you are just upgrading all the parts - but to actual decent expensive parts which can take a ton of abuse and never fail on you. Rallying springs to mind with stuff like that, think how much the steering wheel and wheels are moving, and how much abuse bits will get over the course of one stage, let alone 10 or 12 that the car might have to go through on each event. Thats when rose joined parts are needed because standard items would just wear out in no time.
Bit of a ramble there
