Yup, pretty much. Maybe a tad more mixed to positive, but mostly mixed. The cast, especially Norbert, got great reviews. If you do a search there's a DRS official review thread that gives links to all the reviews.
"If there was a Mount Rushmore for Broadway scores, "West Side Story" would be front and center. It snaps, it crackles it pops! It surges with a roar, its energy and sheer life undiminished by the years" - NYPost reviewer Elisabeth Vincentelli