One of the really useful things is that there is now a (peer-reviewed) paper on the work, which covers much more detail about the motivation, as well as performance results ("same handshake performance as OpenSSL and 73% – 84% for bulk throughput").
http://webcache.googleusercontent.com/search?q=cache:https%3...
in turn listing the source as:
http://www.cl.cam.ac.uk/~pes20/nqsbtls-usenix-security15.pdf
I left another copy of the paper on my homepage at http://anil.recoil.org/papers/2015-usenixsec-nqsb.pdf, but Peter's version or the USENIX site should be fine as well.
In case the information is of any value, this much later, the first link (at nqsb.io) works for me, now. (So does the second link.)