So far zero complaints. Was hoping range would improve but didn't.
Shawn, as you can see I'm new to the forum. I installed the latest available DD-WRT version for the RT-AC87 (r28139) released on 11-13-2015.
I followed the steps outlined by dfran1, Thank you by the way for documenting the steps for us Noobs !
Loading the latest DD-WRT code has resolved many of the 5GHZ wireless issues I was experiencing with the latest ASUS code. I did notice the 2.4GHZ led not coming on and the WAN led is not blue but red, or whatever color you want to call it.
I did up the TX power to 300 mWs for both wl0 and wl1 cause I read ASUS was running it around 315 mW with their FW codes.
Range has been comparable to the ASUS code, but wireless stability has been remarkably better.