As time goes on I will add links to this page of sites I use all the time, are really helpful in my research and working + people I find inspiring.
SuperFlex - I didn't really realise how much work I had seen by Super-Flex until I researched them after watching the superb comic - tragedy of 'Flooded McDonalds'. Gonna try out their 'super sauna' when I do some nature lovin...
http://www.superflex.net/
Aaron Koblin; visualizing human systems.
http://www.aaronkoblin.com/
Katie Paterson works with scientists and technologists to produce beautiful , thoughtful and challenging work.
http://www.katiepaterson.org/
Rafael Lozano-Hemmer develops large-scale installations in public spaces encouraging social interaction and audience participation through the deployment of new technologies.
http://www.lozano-hemmer.com/eproyecto.html
David Rokeby - media installation artist
http://homepage.mac.com/davidrokeby/home.html
Hannes Koch and random international produce highly interactive installations and commissions
http://www.random-international.com/
Usman Haque creates responsive environments, interactive installations, digital interface devices and mass-participation performances.
http://www.haque.co.uk/index.php
Nick Crowe artist
http://www.nickcrowe.net/
Jason Bruges studio do some fun physical design stuff
http://www.jasonbruges.com/
Philip Worthington does some incredible things, especially his use of computer vision but also some interesting juicing concepts
http://www.worthersoriginal.com/viki/
Hugo Verlinde sculpture and projection work
http://www.hugoverlinde.net/videos/universiles_film.php
Crumb... A part of Sunderland Uni, they create discourse on issues surrounding new media practice
http://www.crumbweb.org/
Open.Loop. London based design research that 'bridges gap between art/design and science'
http://open.loop.ph/bin/view/Openloop/WebHome
Che-Wei Wang’s latest projects and instruction including great arduino, useful rhinoscript and pneumatics
http://cwwang.com
Bryan Chung augmented reality, computer vision and great code examples
http://www.bryanchung.net/
Physical computing embedded architecture
http://www.embedded.arch.ethz.ch/
The life and times of Maurice Ribble. Some good work with EOS SLR's and Arduino
http://www.glacialwanderer.com/hobbyrobotics/?p=16
Tim Hirzel's 'growdown' blog offers up espresso and electric canoes
http://growdown.blogspot.com/