I use a desktop computer, with monitors at about the same height as one would find them at an average desk (surprisingly), just tilted downwards a bit. Mouse + keyboard sit on a long tray that rests across the chair arms, over my lap.
I don't use much paper, so I haven't needed a larger work surface than the foot or two of extra space on the tray. (Obviously this isn't true for everyone.) If I find myself in need of work area in the future, I plan to build or buy a wheeled "overbed table".
>The zero gravity chair idea reminds me of this insane thing: ...
Yes, that insane thing and the other commercial variations of it were part of my inspiration to finally try this. I had wanted to create a reclined setup for years before seeing them, but learning that I was not the only one with such a weird idea validated my beliefs enough to actually try it. I could have splurged on something insane like that. I am, after all, presumably the target audience. But I didn't want to spend thousands of dollars on an experiment, especially if I was buying something hideous and overbuilt. Thus the super cheap, goofy setup I'm using. (Which is hideous, but at least it's hideous for the good reasons of expense and experiment.)
I had expected - if my experiment worked - that I would quickly want to upgrade to a nicer zero-gravity chair. But it turns out these cheap chairs really are damn comfortable. So until I have a "Lenny moment" as in [0], I don't think the impetus to get something nicer-looking solely for the sake of it being nicer-looking will be very strong. (Of course, this will change if I return to an office environment. I'll have to figure out something that won't get me odd looks, because I can't imagine myself going back to upright chairs.)
[0]: https://www.youtube.com/watch?v=NPwyyjtxlzU