Quote Originally Posted by DreadedHermie
This is the stuff I wanted to mount my components on. I don't look forward to drilling it, though. The cake pan is looking better and better.[attachment=o213335]
That's Aluminum.
Piece of cake to drill and tap.

Keep in mind, the current regulator/power supply does not have to share the 'sink with the leds if you use "fat" wire to feed the array.
I try to keep as much heat as I can outside the G.R..