What will be the source? Planning on spinning CDs?
If not, you will be better off with a media player (INR 2-5k) and an active speaker like Swan M200 MkII or AudioEngine 5.
Better sound with smaller footprint, but no joy of getting up, pick a CD, put in the tray, wait to load and spin it.
Between Sony and Onkyo, Onkyo is likely to have more refined sound but Sony will provide you more loudness and more appealing sound.