Millennium is often considered an attempt to cash in on the commercial success of Industrial Metal. For context, The Downward Spiral was released in the same year. However, Millennium didn't sell nearly as well.
And on the other side of the same coin, FLA have inspired a lot of imitators.
Signature Song: Mindphaser off Tactical Neural Implant, which can currently be watched here. And please watch it. It's pure distilled awesome.