In your situation, I went with sealed-cab speakers. They typically have a more gradual roll-off in the bass and hence are easier to integrate with a sub. I was worried about a "bass hump" because of close proximity to the front wall, but my bass is remarkable full, smooth, and well-integrated with a small sub. Very pleased. If you do go with ported speakers, you'd be better off with front ports, IMO, so they have room to breathe.
Bookshelf Speakers; Ported vs. Acoustic Suspension
I am building a new home and will have built-in bookshelves on one wall of a 15' x 12' room. I am planning on bookshelf speakers on either side of a 50" TV which has an opening of 60" W x 36" H x 24" D. I was thinking of purchasing ported design speakers (Silverline Minuet Supreme Plus) but was concerned about a ported design with only 15" of space between each speaker and the rear wall of the cabinet. Any experience here? Would I be better off with an Acoustic Suspension Design (NHT Classic 3)?