Take drapery all the way up into the ceiling. That's another way to draw the eye up.

Definitely use mirrors. Do one from the floor to the ceiling if you can.

You're better off not having too many tables. If everyone can reach the cocktail table, it's all you need.

Mirrors can create a pretty look, and usually are inexpensive.

Use every form of light you can. That will make the room a lot larger.

They absolutely don't have to compromise. There will always be a solution.