Screen Grabs chronicles the uses (and misuses) of real-world gadgets in today's movies and TV. Send in your sightings (with screen grab!) to screengrabs at engadget dt com. Man, Dell 's making a serious push to get its wares out to the masses this fall. Just days after we spotted an Adamo chillin' in House M.D. , a shiny new Latitude Z has now been spotted in NBC's own Parks & Recreation. Granted, we can't actually see that any work is being done (the default blue wallpaper isn'