Probably about 1 hour of just the 40grit. Arm was killing me afterward so I took a few hour break. Then probably about another 30 or so minutes to do the other grits. Polishing the top part of the top took like 3 minutes since I used a machine.Wowow nice. How long did de-CSQ'ing take? You have gumption.
What GPU is that? Did you ever have VRM cooling problems with the Thermosphere?