I don't know why you should shoose one over the other, but I have a Currie that seems to work very well.
What "problems" were you having that it fixes?
It was on my Jeep when I bought it. I have a CJ5, and the steering box is known to rip the frame apart during heavy offroading, particularly rockcrawling. The brace secures the steering box to the passenger side frame rail and adds another direction of support.
I was on the trail one day with a TJ, and the steering box physically broke of. It had apparently broken a bolt at some point, and the remaining bolts finally gave up. We were able to salvage a bolt, and pulled another from the parts bin of another in the group, but the third bolt could not be saved and used again. We secured the steering box to the frame with a length of chain and tightened with a bolt. We basically made a clamp from a lenght of chain that held the steering box on very well. The guy that owned the TJ drove home from San Diego County to north of Los Angeles.
His steering box was broken because he did not have the brace we are talking about here.
I've got a Currie on my TJ. Bolted it up and forgot about it....litterally for years now (at least I assume its still on there...guess I ought to go check).
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