There's nothing illegal about downloading software you own a license to use. After all, you don't own the software, only a license to use it, and thus how you get hold of it is irrelevant.
And the clause requiring installation on Apple labelled hardware would be laughed out...
How much it is going to set me back? As is there high end card are for the rich and the extreme games, i'd like to see one of them accidently fall off a truck cause i could never imagine a computer with one of those.