My cousin Amy's husband does some electronic music making and he's released a couple of MP3's for free (for the world to enjoy). They are all wonderful fast techno ("don't get jenna started" is ummm adult in nature).
His website is here.
And here's his music! For descriptions of each track visit here.
Don't get Jenna Started (MP3)
Godsend (MP3)
Mean Streak (MP3)
Poly Beat Stomp Down (MP3)