The steps to make a Raspberry Pi supercomputer can be downloaded here [9th Jan 2013 update]: Raspberry Pi Supercomputer (PDF).
You can also follow the steps yourself here [9th Jan 2013 update]: Raspberry Pi Supercomputer (html).
The press release (11th Sept 2012) for our Raspberry Pi Supercomputer with Lego is here: Press Release University Page
The press release is also here (PDF): Press Release (PDF).
Pictures are here - including Raspberry Pi and Lego: Press Release (More Pictures).
These are some links you may find helpful