Let the hive mind of Engadget get that for you.
"We need a digital camera that can be switched on and fire off that first shot fast. It's not a commonly tracked statistic on any review site, and nobody seems to have this information for every camera. We were hoping other readers could inform us as to what small digital cameras can fire off their first pics in under a second (ideally under half a second). It needs to be small, but mostly, just really quick in operation. Thanks!"
Wow, that silver model looks suprisingly like the now discontinued Apple iSight...
It really does. The problem with making a high-end webcam now is that nearly all laptops have a webcam built in, and most people already own one. Apple was smart to discontinue their iSight.
Unfortnately, now that I want to get a cam for my PowerBook G4, I can't find an iSight for less than $250. I'm not sure if anything works with iChat AV that isn't FireWire-based.