LF-Someone with a Diamond Hole Saw and experience

[Rippin]

http://www.youtube.com/watch?v=CxnugJGiT3o

At about the 5:30 mark.
Biggest part about his method is that he is drilling down, not sideways.

He creates a "pool" around the hole for water (to cool the hole saw bit) using putty and tapes the opposite side of the glass with duct tape to minimize the blowout.