Just to add to the thread...
Ran a set of 295/65/18 Duratracs for a good 40000 miles. They were great on trails and in the mud. Great on pavement. Great in the rain. Not great on the highway at 75+ mph. They had a little hum, not like a true mud grip, but noticeable. Sold them to a buddy.
Previously ran Toyo AT's in 285/70/17. They were great in the rain until the tread was half gone. Acted like you'd expect from an AT otherwise.
Running Nitto Terra Grappler G2's now, in 295/70/18. Have about 5000 miles on them. I saw a rooster tail coming off the back tires rounding a corner in the rain today.
It rains a lot where I live. Wet traction is important to me.