Our Psychology classes use a number of interactive websites with their netbooks:
A test of memory for faces: http://www.bbc.co.uk/science/humanbody/sleep/tmt/
Memory website with different articles and experiments: http://www.exploratorium.edu/memory/
Interactive website on illusions (sensation and perception unit): http://www.michaelbach.de/ot/
Stroop test as example of mental set: http://www.sandlotscience.com/Guided_Tours/Tour3/Tour3_5.htm
Creating facial expressions with emotions: http://mrl.nyu.edu/~perlin/facedemo/