Very cool.  At first, I thought "Meh" but once I started playing with it, it really is quite gorgeous.  A beautiful way of showing a portfolio.  I think the large beautiful photographs on the rollover are what makes the site.

Robert A.M. Stern Architects

And this company has a local tie.  Apparently they did the PPL Center in downtown Allentown!

BTW, Michael Bierut is a famous graphic artist with Pentagram in NYC.