Fast paced, heart stopping, and catchy to boot!
Spiffy: Sonic the Hedgehog style speed, overall great
Iffy: Nothing!
This is a BEAUTIFUL example of what techno should be. Speed without confusion; variation without loss of consistancy. I have this on my MP3 player and it's going to stay there!
If you were to do this over...
Make it longer! I have to listen to it three or four times in a row before I've had enough thrilling techno goodness!