I get around 87 / 82 / 84 / 78 on my I7 920.
Back when I used MX3 on my previous cooler, I found two horizontal strips 1/3 of the way in from the top and bottom to be the most effective way to apply MX3. I also did the same on my graphics cards and saw huge temperature reductions on both GPUs.
Havnt tried that way
i tried rice grain size in the middle and spread it but this TX-3 is awfully gakky stuff and was pulling it off as i was putting it on
the X way i found cover'd the whole CPU up to the ends i will however give your way a go when i next do itIm using Tuniq TX-3 BTW