OK, this is NOT scientific, but a real world happy camper here:
Media: MXF 1440x1080i PAL 35mbs 4:2:0
Setup: GPU Enabled on nVidia 560ti
Vegas Timeline
i) 1 Track
ii) Colour Correction on a 30 second Event
iii) Sapphire Edge Film Look Technicolour 3 on Track
iv) Rendered to MC iPad Template with GPU=Enabled AND CUDA "Available"
Outcome: Render of 30 second Event took 1:02 to render.
Outcome = Happy!!
g
Media: MXF 1440x1080i PAL 35mbs 4:2:0
Setup: GPU Enabled on nVidia 560ti
Vegas Timeline
i) 1 Track
ii) Colour Correction on a 30 second Event
iii) Sapphire Edge Film Look Technicolour 3 on Track
iv) Rendered to MC iPad Template with GPU=Enabled AND CUDA "Available"
Outcome: Render of 30 second Event took 1:02 to render.
Outcome = Happy!!
g