A DOF in after effects or other compositing packages takes all of 2 seconds, doing it in maya takes all of... not sure how long it takes, but its certainly more than 2 seconds to see something, as stated above
you just need to have a zdepth pass rendered
that's a "Ch" pronounced as a "K"
Computer skills I should have:
Maya, XSI, Photoshop, AfterEffects, Motion, Illustrator, Flash, Swift3D