Details for the Marriott-branded hotel and conference center, now formally announced for N.C. State University’s Centennial Campus, show that the hotel will be bigger and better than what the private developers were envisioning even just a year ago.

The plans are so new, in fact, they don’t even have architectural renderings, yet.

“We’re just now starting the redesign,” says Mike Haller, senior vice president of Concord Eastridge, the Washington, D.C., firm chosen in 2008 to develop the…