Ah shit, sorry to get your hopes up: it looks like the link that shows up in my search is just there because I already purchased it, because when I click on it it tells me the item is unavailable. Oddly enough, they're still selling Awakening for Mac, though.

TIFU by telling someone they could play DAO when that was false. [Disgusted noise]

https://www.amazon.com/Dragon-Age-Origins-Mac-Download/dp/B004ZUFM0E

Amazon listing for it here!