It's free to download via BitTorrent and includes four previously unavailable tracks, plus the stems for "Hobthrush" and the samples used in "Anaconda."
As a "thank you in appreciation for the continued support over the years", the Shogun & Exit affiliate has released Surplus One as a name-your-price EP on BandCamp.
Dan Snaith has shared a YouTube playlist of 1,000 of his favourite tracks. They aren't in any particular order, so he recommends listening to it on shuffle.