[gilgoomesh]

I think one important latency is left out here...

Latency to screen display: approximately 70ms (between 3 and 4 display frames on a typical LCD).

http://en.wikipedia.org/wiki/Display_lag

Obviously, you only have 1 display latency in your pipeline but it's still typically the biggest single latency.

[colin_scott]

Interesting -- good to know!