I found my board to be unstable with the mod, and I removed it as well.

It wouldn't post at 400mhz at the same voltage it would at least post at before, although it did fix the vdroop when I tested it at 350 mhz. Perhaps I'll try it again eventually, perhaps not.

Lapping the CPU IHS has been the best mod I've done so far.
Right now prime stable at 400x8 (3.2 ghz) gonna take it higher now. As long as the volts aren't above 1.5 volts and the temp is stable, there's really no reason to do it.