I can confirm feelings of the DavMJ.

Staff is one of the best I've ever experienced at Hilton hotels.

Lounge have worse offerings compared to the DT/Hilton Warsaw hotels but still better than DT London Docklands Riverside ;-)

There was also a welcome gift - selection of fruits and chocolates:




Here are some photos of the king exec room:










And lounge:









One additional thing: in lounge during breakfast there's a waiter standing at the counter waiting for your additional orders. I've just grabbed coffee so I don't know the exact offerings.