So, it dropped about 7*c at load by taking the IHS off. This test was done with a Zalman 9500 AM2. The Zalman was not lapped and neither was the CPU's IHS. I have heard that by lapping your Heatsink and IHS you can get from 5-10*c drop. So, I am not really sure if this is worth it.
However, I did check for flatness on both the CPU and Heatsink and they were almost perfectly flat. So if your Lapping efforts have not yielded an acceptable drop in temps, this may be a viable option.
Good luck and sorry for the delay in posting my pics\\findings\\opinions.