You can also use
http://www.allmusic.com to search by style, including:
Electronic
Electronica
Progressive Electronic
Electro-Jazz
Electro-Techno
Electro
Neo-Electro
Electro-Acoustic
Electro-Industrial
Experimental Electro
etc
Also, you can search for a band that you already know and like, and then
follow links to research similar artists.
Another one is
http://strawberrybricks.com -- it's all prog, but has a good
bit of obscure EM as a result.
Both of these sites grow daily it seems... :-)
best,
- Scott
____________
http://www.red-noise.comhttp://www.strawberryplanet.org