About the only thing the upgraded steering has going for it is beefier components on the tie rods. The y-type steering actually handled better in normal driving conditions than the t-type, the components were lighter which caused a lot of the problem in hard usage. Toe change is never an issue unless you are offroading and even then it doesn't really affect anything on the tires as the traction is limited anyway.
I said the tie rods were beefier, but, the drag link ends were not. I am on my 3rd set of drag links ends, greasable, in some 90-100k miles. About every 35-40k have to replace them as they start getting slack in the joints, too much stress from the drag link angle and weight, the tie rod constantly wants to roll with the thrust angle on the drag link and there is not a good way to fix that.
Bump steer is much worse, especially if the worn out less than adequate stock springs are replaced with a good quality variable rate spring that levels the truck. The stock box is responsible for a lot of the steering issues, once you use the later big sector Mopar box you find out what is really going on in the suspension.
The real solution is a cross over steering setup like al the later Dodge and Ford trucks use, just nothing available that won't require fabrication. The Ford MD steering components are probably the best choice as they are heavy enough and easily sourced, really cleans up the problems even with a lift and big tires. Even works well with the fats ratio Borgeson boxes.
The Synergy system is about the heaviest bolt on there is on the market and a better design than OE with the drag link placement, if you can get all the parts. Some reports of back ordered ends and availability.