I left my original review below to emphasise that, not only did they fix the problem, but they did so courteously and quickly, with a fix to the file that was so good that I am more than happy to amend my original review and throw my full support behind not just the product, but also the service!
Original Review:
I love Steve Rude's work, and I love Nexus, so it was a shocking disappointment to find that the digital version that I purchased was of such low quality that the art was reduced to a blurred, pixelated mess.
This was a real letdown.