I like the instant results you get with a video or high frame rate camera. I mainly use my video system for occultation observations, however it can also be used for real-time deep sky or planetary views.
Here’s an example I recorded recently - a ‘sky tour’ of some deep sky targets in almost real time:
It's also good for real time events such as the recent occultation of Saturn by the moon:
Technical details are in the video descriptions if you click through to YouTube.