rhagar@rgj.com John Ascuaga's Nugget's $1 million remodel of its executive conference center doesn't sound like much, compared to the $400 million expansion-remodel project at the Peppermill Resort Casino or the nearly $100 million spent on upgrades at the Atlantis Casino Resort Spa, which included a sky bridge to the Reno-Sparks Convention Center. The Nugget picked its third-floor executive conference center as the next project since it helps the property stay competitive in attracting meeting and convention business.