Yeah, the helpers made a HUGE difference. It raised the back end about 2", and firmed it up nicely. I also cranked up the t-bars so I could get off the bump stops. I can actually hit a bump or pothole without concern now.
Here's a before pic, in low-rider mode. I had to slither around town to keep from bottoming out.
Here's the after pic. It's a little hard to tell with black tires and wheels, but it's a whole lot better now. I'll be replacing the springs when the time comes but for now, it's a very good fix.