Suggestions... I can offer some opinions but I really like it and wish my wife would let me do something similar. I think a small credenza under the television would be nice to display some fine bottles as well as take away the need for the floating shelves. I for one think the stuff that comes off of the walls really makes the room feel smaller.
You could also go with a relatively easy DIY project and get some cabinetry that you like and turn it into a liquor cabinet. Get a piece of marble, granite, or any kind of countertop you'd like and have it cut to fit on top so it completes the look. Doing something like that would solve your liquor storage issue and provide a fairly deep mantle for displaying your clocks and such.
You might even think of putting a large decorative mirror behind the seating area. It would let you get double the light from your floor lamp as well as making the room feel bigger. The mirror is a great way to get more space without adding any.
Now after all those very feminine observations, I think I need to bite the head off a cigar and go outside to pee on something while smoking.