My wife and I stayed here 3 nights in May using points. I admit I was hesitant about staying in Mestre rather than in Venice, but now I have no regrets. The public bus stop is right outside the hotel, so it's very convenient to the airport and Venice. Reception sells bus tickets. Buses run till very late, so no worries about staying in Venice late.
Hotel is new and modern. Breakfast was very good. I'm Hilton Gold, but I don't think I got a room upgrade. For 30k points, I think this hotel is great value.