I would have added to this:
U grade order to look good in the whole scene, not a single shot – sometimes green, sometimes orange – it only determines the light in terms of shot.
DaVinci 8.0.1 OS X 10.7
MacPro 2×2,26 16GB RAID0 8TB
Nvidia Quadro FX 4800
Extreme 3D + HDLinkPro
Tangent WAVE