Des Moines Performing Arts will hold a news conference today to reveal the new name, final design plans and construction timeline for the renovation of Nollen Plaza. Talks about renovations have been in the works for a number of years (read more in this 2011 Business Record column by the late Jim Pollock). The pricetag for the project is $11 million, according to an article by ABC5 earlier this month, of which $10 million had already been raised.