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!"
Thats all nice and everything but how aboutsomething really simple like....
A Car radio form factor ipod big hard disk.
Built in wifi, and a mode where after you get home it sees your home network , and connects to syncronize your music before shutting off.
simple.