I think the images will get better quickly from here on out. The probe is currently 1.27 AU from pluto.
They have revamped their site.
Thanks!
Nice details, really, at 100+ million miles out — shows Pluto and Charon, better data than the so-called Face on Mars (32 pixels) had.
http://pluto.jhuapl.edu/News-Center/news/thumbs/NH-Thumb-2-4-15.jpg