2 or 3 weeks ago I purchased the Geolandar H/T-S, size LT245/70/17, 8 ply. So far they seem to be an awesome tire. Very quiet ride, good response, good summer traction. Plus they seem to help in supporting the load of my travel trailer when I tow.
For me, the only issue is that I went from a P255/65/17. So my Yoko's are slightly narrower than my previous tires. As a result, the "lines" on the highway seem to control my truck a little more. But I think that's more of an issue of having a narrower tire, versus the actual tire design itself.