Robert's place was exactly as per the ad, clean and literally right across the road from Smichovske metro Station which connects you to the whole of Prague!
There are fantastic local restaurants and pubs easily within walking distance.
Although we did not meet Robert, he was constantly in touch via messenger and gave great advice for everything from restaurants and bars, to transport.
I would recommend Light Rooms, and particularly Robert to anybody visiting Prague. This was definitely the best experience we have had with Airbnb so far.