I found these great series of interviews with electronics musicians by Motherboard Electric Independence. They interview Moby talking about his drum machine collection, Holy Ghost turning knobs on their modular and JD Samson shows of some of here plastic guitars. I love drum machines.
Holy Ghost
http://www.youtube.com/watch?v=Iw0RYNndhwo
http://www.youtube.com/watch?v=kKwstQ8kjnU
JD Samson
http://www.youtube.com/watch?v=PXqjy5VU9Fw
http://www.youtube.com/watch?v=J2gytis2mV8
Moby
http://www.youtube.com/watch?v=-u9i3FFVA74
http://www.youtube.com/watch?v=svlEZ1jaGDo
And if you can, check out the BBC documentary Synth Britannia for the classics.