Vesper, a minimalist notes app from John Gruber and Brent Simmons (hands-on)

In an App Store entirely oversaturated with notes apps, it's not easy to stand out. Vesper, an iPhone app which launches today, is at first glance remarkable because it was built by Apple pundit John Gruber (of Daring Fireball), developer Brent Simmons (known for MarsEdit and NetNewsWire), and …