I put EBC green pads on my truck last summer after turning the rotors. My rotors (I use Toyota stock rotors) warped after about a month with them. I dunno if it makes any difference, but they were just at the minimum limit for thickness. I replaced the pads and rotors, now using plain old Toyota stock semi metallic pads with no rotor warping. I think the EBC pads worked OK (except for the rotor warping, didn't care for that), but realize that they are performance pads and work best when things get warm. They did stop pretty darn well coming off the highway.
Off highway in 4wd low I found that they were significantly worse than stock pads. Often I would have to stand with both feet on the brakes to hold the truck back (but in fairness I have quite a bit more than stock reduction in my drivetrain, 5.29 R&P + 4.7:1 4-low + 4:1 1st gear = ~100:1 crawl, so overpowering my brakes is not surprising).
But with the stock pads I use now the slow speed braking has improved a little, although neither is anywhere as good off highway as the cheap organic Toyota pads that I used before going to the EBC. On the upside, the EBC pads were quiet and didn't seem to make much dust in the few months I had them. I personally would not bother with them again on anything but a WRX STi or Porsche or something. For an off highway truck it seems my truck likes old fashioned, soft organic pads rather than rally car brakes. The friction material in high performance pads seems to want the operating temp to be higher than what you (or at least I) see crawling.
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