First of all, let me start off by saying I love Sahar. Now that THAT is out of the way, I taught a small little electronic music class this weekend. Here are the resourses I used.

Ishkur's Chronological EDM (Electronic Dance Music) Guide with samples of styles (biased but funny commentary)
www.di.fm/edmguide/edmguide.html

History and Overview of Electronic Music
en.wikipedia.org/wiki/Electronic_music

List and Overview of EDM Genres
en.wikipedia.org/wiki/List...sic_genres

There's a few books lthat are good references:
www.amazon.com/gp/redirect.html
www.amazon.com/gp/redirect.html
www.amazon.com/gp/redirect.html
www.amazon.com/gp/redirect.html

And there are movies:
www.amazon.com/gp/redirect.html
www.amazon.com/gp/redirect.html
www.amazon.com/gp/redirect.html

Let's not forget magazines like Lotus, Fix, XLR8R, MixMag, DJMag, etc...
www.xlr8r.com
www.bpmmagazine.net
www.urb.com
www.remixmag.com
www.futuremusicmag.com
www.releasemagazine.net
www.bigshotmag.com
www.djtimes.com
www.djzone.net
www.groovesmag.com
www.m8magazine.com
www.sonikonline.com


Oh. and I spoke about influential drum machines and synths. The 808, 909 and 303 mostly... and certain drum breaks that were used in early jungle like the Amen Brother and Funky Drummer.

nkhstudio.com/pages/amen_mp4.html
en.wikipedia.org/wiki/Brea...ble_breaks