I've got a Dreamer, and just started using one of these beds: http://www.geckotek3d.com/ Using an infared thermo, I've found the bed to be within 2 to 5 degrees of what I set it to. Not bad I think. Love that bed though, as things stick perfectly and come off super easy afterwards. The heat causes the bed to transform into a sticky (to the plastic, not to touch) material, then when it cools the objects come off very easily.