This one is preprinted circuits that can do light effects, act like sensors and such.
http://www.crowdsupply.com/chibitronics/circuit-stickers
This one just finished KS recently and basically it is wire ink, ie you draw out your circuits and power it up and it works. No wires needed.
http://www.kickstarter.com/projects/electroninks/circuit-scribe-draw-circuits-instantly
http://www.electroninks.com/
This one is some specialized sensors that will allow to make music board or have a touch/motion sensor switches
http://www.kickstarter.com/projects/863853574/touch-board-interactivity-everywhere
http://www.bareconductive.com/
Just some things that I thought I would share that I think would allow a designer to take their prints to a new level.
Dave Chase