I own the original R7000 and so far its been working well. Am I missing out on anything while not upgrading to the latest R9000? Will upgrading to the R9000 increase speed and range overall even though my clients are still vanilla ac?
going to an R9000 *may* increase speeds but there is no guarantee - it also depends on your clients. As for range, I doubt it. The R7000 and others like it already push physical limitations. You can't beat physics