The operation was a "great success" (insert Borat voice between quotes)

I used a dremel with a combination of a very small flat endmill type cutter, and an even smaller sphere. Also used an xacto knife just to clean up the burs....and some canned air along the way to blow out the chips and dust.

Booted fine. Now to see what this beast can do to WCG GPU with a 7970. j/k. MAYBE as an experiment. I still need to segregate 20 or 30 work units to conduct some other tests. Never enough hours in the day.

Thanks all for the suggestions.