Removing Digital Noise from CCTV Footage

Hi,
I was just wondering if anyone knew of any good filters, plugins or tips/tricks for removing digial noise, or smoothing artifacts on some footage taken from a survaillence camera?
I have tried the Noise Reduction filter from the Too Much Too Soon free plugins with no luck. Any other suggestions would be greatly appreciated.
Many thanks,
Martin.

neatvideo.com "now for AE CS3 and CS4 for mac"!
hope this helps,
steve

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