Hi there!
This is a really interesting thread I have to say!
I just managed to order a BCM94360CSAX card from zenchong (thanks again ... :-).
As soon as it is built into my mid 2012 MacBook Pro I will post some testing results here.
I am using an AVM FRITZ!Box 7490 which offers 802.11ac on the 5GHz band.
The testing I will do with HELIOS LanTest. I will create some screenshots and post them here. Any other suggestions regarding tools to use?
Best,
Jeeosch