I did exactly that last Saturday at Blade Honda Swindon (they had a manual NC700S and a DCT NC700X). I tested the NC700S. The bike is OK up to 50-60mph, then if you want to open it you will have to wait a looooooong time before you hit 80mph. You will need both parts of your licence and a utility bill.
I must say I was looking to change my 2006 Yamaha FZ6 Fazer for the Honda NC700X, but now I am not so sure anymore...
Other observations:
1. Rear break seemed very weak... but front brake very good.
2. Very light and easy to manouver.
3. No wind protection on the NC700S. Riding at 70mph for extended periods of time might prove difficult. The NC700X might be different as it has the little screen.
4. You will hit the rev limiter a few times before you get used to it.
5. Storage space is a big plus.
I will try to get on a CB500 to see the difference... same power but different rev. range.