I see MAS have reduced the price aswell, to $9.99... I'm not so sure about it, even at thet price. Heard it runs **** on Nvidia hardware...
Update:
**** it... I went for it. I'll report back, how it runs on the 650m 1Gb
UpdateII:
The game runs. Needed to google a solution for the initialization loop. The game runs decent with 1440x900@High settings. But the game is a mess. It wont load scenes correctly, textures disappear etc. Its a cider port alright.
To get past the initialization loop you need to open up activity monitor and force quit any cider instances. and then run the game again. Its the idiotic Rockstar social club that is behind the mess. Its not limited to the Mac version, but it seems more prone to the bug.
If you really want to play it, get the Steam version, run it in boot camp. If you are on the fence about the game, pick up something else.