A:AnswerYes it would work without issue, I would just research the mix on it first, I actually returned mine and got a different headset entirely because the mic was horrible.
A:AnswerI have had the prior version of these for several years and have never experienced this problem. You may want to reach out to Astro as they are pretty good at supporting/resolving these kinds of things.
A:AnswerGet the Xbox version and PS4 base. As the PS4 does not have Atmos support built in and the Xbox version comes with a Dolby 2 year subscription in the box.