Pottertons is certainly a persistent man. I, too, have followed this thread for some time now. Epic is the word.
I strongly recommend using Kyle's Prep AS WRITTEN for a couple weeks, and before your shower, with no variations.
Use the first part of your lather, apply the hot towel for no more than ~3 minutes (I find I have to re-soak the towel in hot water and re-apply 3-4 times to get the ~3 minutes).
With all that you are doing I think your skin is swelling up from the heat and becoming too irritated and sensitized to what's about to happen to it. (I figured out that I was doing too many hot towel applications and cut back, which made a significant difference.)
You also might just try lathering and then rinsing your face to see if your skin is particularly sensitive to using a brush; it also may be too irritating.