I see. So it's gonna stay exclusive, because Mac users are special. That's sad.
Honestly, there's plenty of people on Linux who's absolutely fine with paid software. There's also plenty of developers who dislikes Apple products and who stuck with Windows because they depends on some Mac/PC tools, like Photoshop, for instance. And the only reason you don't see a healthy market on Linux because everyone is affraid of going first and there's still nothing better than Gimp available yet. But Steam proves at the same time, that there are people willing to pay. Let's believe for a moment, that rebuilding interface from the ground up would cost you a million pounds extra. That's about 25-28.6k copies to be sold. Sounds absolutely possible for what promo page claims it to be. I personally would buy that multiple times just to show the support.
