Since several of us here at Cyan are Mac people, having only Macs at home and at work, we're anxious to see realMYST released on the Mac too. We don't have a set date for when the Mac version will be ready, just as soon as we can get the performance at an acceptable level (at the moment it is not performing acceptably on the G3s, we're doing our best to change that.) As soon as it's ready, playable, stable, fast, wonderful, etc. we'll get it out the door."