Yeah I had considered that but I have no idea how I could practically and safely raise it up so that the intake fans are unobstructed. I definitely would see a GPU temperature increase if I just put it on it's front as it wouldn't get any air!
Since there seems to people here clued up on the 90° rotation + heat pipes issue...
How do you think my PowerColor Rx5700 XT Dual Fan (Not Red Dragon) would fare?
It has three heat pipes - two under the source of heat and one above.
But it has the advantage of horizontal (or I guess vertical...