Opt for comfort suitable for your lifestyle when choosing your chairs.

Hanging the tv as the centerpiece for the wall indicates you expect to be using it regularly. Keep that in mind as you choose your furniture. Since you appear to like modern, consider a pair of really comfortable upscale executive chairs -- rocker swivel recliner chairs -- for your room for across from the tv -- perfect for gaming and/or marathon video viewing.

What is that on the wall below the tv? Is it an electric fireplace or speakers with color associated with the sound from the tv? You've ended up with an odd hanging midair look. Consider hanging the lower item lower still and creating a faux fireplace w/mantel under the tv -- that would help you hide the wires as well.

You also might consider a matched pair of floor lamps for the two corners beside the tv. Some lamps are a table/lamp combo -- lamp pole through a shelf or table top. Any coffee table or ottoman that is also storage space is doubly valuable -- especially if what is stored is out of sight and doesn't require dusting.

Your room seems small; if your home is small, or even if it isn't, if you're like most people, you're likely in need of storage space. Consider investing in a "stuff" cabinet -- a tall cabinet with a small floor footprint, preferably with glass doors so you don't need to dust the stuff you'd put in them. Think barristers bookcase or curio cabinet or even a used china cabinet or hutch or a commercial display unit. Shop for such things at a Habitat for Humanity Restore Store where you'll pay a lot less than it's original retail price; inventory changes daily and items not sold fairly quickly will be discounted even more as space is needed for newer donations.

In a stuff cabinet, what is on "display" is what you put up front next to the glass; what you store is the rest of the stuff you put in the cabinet. Such a cabinet could display/store framed photographs and even photograph albums, or candle holders or unique vases or candy dishes not currently being used for those purposes and/or your media related items and/or your camera and related items and mementos or trophies, a humidor, a jewelry box -- any stuff you value but don't want to actually display would be put behind what you prefer to be displayed -- far better than having such stuff put in kitchen cabinets or drawers needed for kitchen stuff or boxes on a bedroom closet floor or shelf needed for clothes or blankets or shoes or dresser drawers -- places for stuff that should go in a bedroom or bedroom closet .

I like your idea of the second loveseat instead of the chairs. Move the current one under the window, and get another for the other side, so that you can sit toward the tv and use the armrest for your back. I would then substitute the ottoman with a smaller glass topped coffee table, between the two loveseats. You already have dining chairs you can pull over to the ends for extra seating when needed.

Nice modern room! I would turn the love seat arm section so it is on the other end. This would turn the rooms direction so that if laying down or getting comfy in the corner of the love seat you would be facing the TV. If you love these chairs go for it. One chair can be slightly turned in towards the TV, unfortunately the other one not but you wouldn't get anymore TV sitting spaces with purchasing another love seat.