It's weird how manufacturer risk and every year some brand have problem with something.
If you ask me they didn't believe that card with 150-180W power consumption could be so hot...
But in future all manufacturers should remember and on all dual cooler card to install heatsink and thermal
pads on VRM and memory and dimension of them perfectly to match and cooler to nicely sit and PCB.
I say with Maxwell, now people need to use some kind of liquid cooling. I thought maybe not for GTX1080 as GTX980 but now I see that AIO system is only solution if people don't want temps to pass 60-62-63C under hard core gaming with graphically demanding games. Hybrid have Pump on chip and fan for memory/VRM.
What ASUS plan to do with Poseidon option. Maybe keep for GTX1080Ti?
She is easy for installation and excellent option for long, long gaming because low temps.