I've done the domain name dance many times, so I feel your pain. I actually think you did a great job of coming up with short but good names. I think I like the first one best because it has the ring of a phrase that has been popularized i.e. "MTV Unplugged".

That being said, it also sounds more like a great brand than a keyword targeted phrase. That's not necessarily a bad thing, but it depends on what your plans are for the site and what your niche is. When I hear that phrase two things come to mind, the one above which feels more like hip branding, and the concept of getting unplugged which relates to either the "cord cutters" (people that are going a way from cable tv and moving toward internet tv) and people seeking to "unplug" from technology by turning of cell phones and not using the internet if even for a few weeks.

I don't know if any of that is what you're going for, but those were my first impressions.