This absolutely looks amazing. But I also love this process of reinventing the electronic table (spreadsheet), and the columnar-text altogether. 10 more years and we're back in 1982.
I would say that the spreadsheet-like data view is a must-do in the career of the UI person. But then this all, without proper back-end wired to it, means very little to the overall product experience. In fact - proper back-end with not-so-cool UI may deliver quite the experience...