PC users have been able to take advantage of a range of Wisair-based wireless display adapters for quite a while now, and it looks like Mac users will soon be able to use them to cut a few cords as well. The first such device is a Mac-ready version of InFocus' wireless display adapter, which is designed specifically for use with InFocus' own DisplayLink-enabled projectors and should be available by the end of March. That looks to just be the beginning, however, as Wisair itself has also announced that no less than four other OEM vendors will be offering some Mac-ready, Wisair-bas