Interesting Info
Some interesting info:
1) Those NHT towers were actually based off the bookshelf speakers. I guess the bookshelves were really good, so they made a complimentary tower. Usually, the towers come first and the bookshelf model is based on the towers. I believe I read that in a review at HTM.
2) Nice choice on the Rythmik. I recently purchased a B-stock F15HP and it is large and in charge. I actually went to the Rythmik shop to purchase it and got to talk with the owner for about 1/2 hour. He runs Ascends at home, so just wanted to throw that out there.
I doubt you can go wrong either way. Standard advice: Go listen to as many speakers as you can that are withing your price range.