eye assembly
http://www.androidworld.com

servo board inkha2
http://www.acscontrol.com/Index_ACS.asp?Page=/Pages/Products/USB/USB_Servo_Controller.htm
these boards are no longer available

servos inkha2
http://www.volz-servos.com/english/english.html

servo board inkha1
http://www.seetron.com/pdf/ssc.pdf

servos inkha1
http://www.globalhobby.com/cirrus/cirrus.htm - eye assembly
http://www.hitecrcd.com/Servos/hs5245mg.pdf - neck pitch
http://www.hitecrcd.com/Servos/HS815.pdf - neck yaw
http://www.hitecrcd.com/Servos/hs55.pdf - neck mouth

speech inkha1 - autotalk board
http://www.milinst.com/

prosthetic irises - prosthetic shells
http://www.orbitalprosthetic.com/opscat.htm