Go with parallels, without a doubt the best you can go with. Very fast and feels native. The downside if you won't be able to use a windows manager like WMII.

Go with parallels, without a doubt the best you can go with. Very fast and feels native. The downside if you won't be able to use a windows manager like WMII. Because parallels provide bindings for unity that makes the whole experience smooth and they don't provide bindings for other windows managers https://www.parallels.com/ https://www.parallels.com/