Barry Wood has a 10 year history of presenting oddities from the NAMM show (National Association of Music Merchants).
If you are into, particularly, guitars but also other instruments look at some of these oddities from NAMM 2008:
http://www.otheroom.com/namm/inst.htmland for the guitar freaks amongst us, check out this 7 string with 36 frets by the newly-independent Gary Kramer!
See the Turbulence FX on the left and scroll down the description window.
http://www.garykramerguitar.com/turbulence.html