The booming entertainment district in Scottsdale, Arizona is growing fast. Nine new restaurants and bars have opened in the last two years, giving the area the highest concentration of bars and lounges in downtown Scottsdale. The 230-room W Scottsdale hotel is located in a prime position for visitors looking to experience the area's nightlife, including three lounges within the hotel. PAXnewsWest.com sat down with Rich Gonzalez, the hotel's director of sales and marketing, to learn about the latest developments in the entertainment district, and what guests should know about this 230-room Starwood property…