I am a supporter of open source software. I have been using Linux for all of my computational needs for the past six years. I have tried many distributions, and consider Ubuntu to be my favorite due to its superior online documentation and repositories.
Websites (both design & development):
Linux Sys Admin and Web Developer - Invoke Media
2008 Summer
Computer specialist - Bilkent University Computational Electromagnetics Research Center (BiLCEM)
2007 Summer
BiLCEM recently broke the world record for the largest differential equation solved (200+ million unknowns)