The tecno music is one of my favourite one. I really think going to big concerts is amazing because the ambiant is really fun in such events (e.g. Electro Nikaia in Nice, EuroExpo in Lyon, etc). I advice you these websites if you want to listen broadcast music from your computer:

-Drum&Bass Arena.

-Ministry of Sound Radio.

-Shoutcast radio: A.C.T.I.V.E.B.E.A.T and RadioFG.