How is a 1ton setup crap.. because it didn't work for you? I know aleast 15 to 20 people who have 0 issues with it.
its crap for several reasons
1. D30 knuckle steer arms are already weak, reaming them for large taper ends further weakens them
2. using a steering stabilizer hole for the connecting point for a drag link is ****ing stupid
3. the ends most commonly found in the "kits" are cheap junk that won't usually last
4. Inverted T is bad geometry. in no way is not having direct input on the knuckle a good thing. it CAN be made to work OK, but you need to keep it relatively flat, which is difficult on a lifted rig with a d30 knuckle, and requires other extensive modification
5. most of the kits out there call for a much shorter trackbar than drag link, which leads you to bump steer.
6. the amount of fab work necessary to deal with the major issues of "1-ton" inverted T steering is roughly the same as it would take to get you WJ steering but you still end up with tie-rod roll.
you can run band-aid solutions and less than ideal steering on your rig, but others may have higher expectations than you for how their rig handles.
that is why I recommend currie if you want bolt-on, or WJ if you want to fab your own setup. I will always recommend against inverted T, I know the kind of drawbacks it can have and if I can avoid having someone else go through the problems I did, I will.
there aren't a lot of other options for a D30. I'm not a fan of the ZJ tie-rod swap because it moves the weak point to the drag-link, which cannot be repaired or replaced nearly as easily in a trail breakage situation. once you move to d44 or d60 knuckles and you start talking hi-steer arms, etc you have more options.