“From PlayStation to Supercomputer for $50,000″

A supercomputer that may be able to perform a half-trillion
operations per second has been built out of 70 Sony PlayStation 2
consoles for around $50,000 by researchers at the University of
Illinois at Urbana-Champaign’s National Center for Supercomputing …
http://www.acm.org/technews/articles/2003-5/0528w.html#item4

This is probably why Dr. Rodrigo wants to look into that… =)