surveying the field of activity

Fall in love:
Interesting Experimental Musical Instruments
http://psychevanhetfolk.homestead.com/expmu.html
Some really beautiful and simple experimental instruments
http://www.goodwin.ee/erikik/p/em.html
The Field Expands
http://www.oddmusic.com/chrysalis_foundation/index.html
Make Zine is a great place for finding inspiration
http://www.makezine.com/blog/archive/2006/03/experimental_musical_instrumen.html
The idea of the vessel as a sound source
http://www.sounding-bowls.com/history.html
Introducing our very own
http://hypertext.rmit.edu.au/~smitchell/