Welcome to the forum Fixed Ops Director. It'll be interesting to see what kind of impact you can make. I have the SLT w/ AT & it has the 25 - 30 mph trans shudder. I've told my dealer about the issue, they reflashed the ECM in April, and we've talked about the torque converter replacement. At this point it appears to both of us that the torque converter replacement is a way to quiet a noisy customer & typically does not fix much of anything. I don't feel like the shudder is that big a problem in my Nitro so I'm living with it..... with the recommendation that I check back with them regularly to see what Dodge is doing about the problem.
Meanwhile I drive it regularly & tow boats & ATVs with it with no problems other than a very small vibration at low speed at certain RPMs. As the end of the warranty gets closer (only 11k now), I'll be more adamant about a fix.