If you can get another cabinet like the one under the tv adding one beside what you have would look better. Or look for a new console about twice the width of the tv. Added benefits are more storage and display space and you can get a larger tv without having to change it later if you want.

I'd get a bigger console, move the electricsl outlet to just behind the console so the plug disappears, and shift the bookcase away from the sidewall. I don't think you need anything more in the space, just a better bslance.