Yeah does look nicer but I was mainly going for a visualization of what the filter is DOING, rather than the sound coming out of it. Hence why I was using filtergraph to sort of approximate look of the filter.
scope~ does seem quite handy. I'll have to test a bit to see how it is for cpu and displaying waveforms as I'm crazy tired of the 'jiterring waveform~' display when using poke~.
This is what I have at the moment: (I wrapped Peter's code in a poly and renamed it so you went get any sound out of this but you can see what I mean):