|The answer to that question is rather subjective and will differ from one respondent to the next depending on their experiences with various brands.|
What you will definitely want is a wireless capable router that has dual radios that can run 2.4 GHz and 5.0 GHz concurrently (ie: at the same time).
Other than that, read reviews and compare those and prices before deciding.
I've had very good luck with all the Linksys products I've used, and continue to use in my home........but that's just my experience and opinion.
It matters not how straight the gate,
How charged with punishments the scroll,
I am the master of my fate;
I am the captain of my soul.