@switzer145 can you define simplicity.
-- something you can buy and sit in the corner and never worry about and upgrade as tech changes a simple one box controlled via an app
~$1000 Bluesound Power Node -
~$2500 - Marantz M40n
~$3500 NAD M10 v2 or Naim Uniti
They are all one box systems that probably mean an upgrade in 10 years - i.e. a total replacement. The additional dollars will just give you better sound -- but thats all subjective. There's probably 20 options in that price range for a single box solution.
Most people here would tend to separate their system into an AMP and Streamer / DAC separates which is a different ball game. If you want to do that route things are slightly more complicated as you will have two or more devices which have to work together but you can upgrade easier and ticker with the system more.