It's a layered Waldorf Q+ and Nord Lead 3 saws.
WTF!!! just kidding

But you can layer something and try to get fatter sound.
Try to layer 2 leads, 1 acting more as a bass and another very thin with white noise.
sidechain, EQ, and then and try some exciters too...

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• i7 950 class A Vanilla Hackintosh w/ Logic 9 • Dead Macbook Pro w/ error ts2377 pending court decision ( I hate apple ) • Apogee Duet • Access Virus Snow • Roland JP-8000 and Juno-G • Novation Ultranova • Mackie 802-VLZ3 Mixer • Yamaha HS-80 •

I think the detuned square pad comes from the Access Virus...
Pretty nice music!!!

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• i7 950 class A Vanilla Hackintosh w/ Logic 9 • Dead Macbook Pro w/ error ts2377 pending court decision ( I hate apple ) • Apogee Duet • Access Virus Snow • Roland JP-8000 and Juno-G • Novation Ultranova • Mackie 802-VLZ3 Mixer • Yamaha HS-80 •

Sounds like a saw oscillator paired with a noise oscillator, driven through an envelope controlled filter that matches with the amplitude envelope. The filter is low-pass, set high, with just the faintest amount of resonance. The attack on the envelopes isn't set very far from the start. You should be able to replicate this in Zeta+ with, at most, two saw oscillators and a noise generator.

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Now with extra singles!
my old stuff, not quite up to snuff - but I still dig it - UPDATED 9/23/2012

Right on guys, thanks for the info! I'm opening up my DAW right now