Python
From Deskins Group Resources
Python is a great language (simple and easy to learn) for processing data and setting up simulations.
Web Resources
How to Think Like a Computer Scientist Online tutorial for Python.
learnpython.org Has an online interpreter for learning python.
Learn Python the Hard Way Yet another tutorial.
Non-Programmer's Tutorial for Python 2.6 Free wikibook.
Python Wikibook A free book to learn python.
Code Academy A popular site for learning to program that just added Python.
Software Carpentry Aimed at teaching scientists computing skills. Has tutorials (videos) on python, matlab, and many other topics.